Search a number
-
+
55516932 = 22321542137
BaseRepresentation
bin1101001111000…
…1111100000100
310212110112220200
43103301330010
5103203020212
65301530500
71242612642
oct323617404
9125415820
1055516932
1129379769
1216713a30
13b66a573
147532192
154d196dc
hex34f1f04

55516932 has 18 divisors (see below), whose sum is σ = 140334558. Its totient is φ = 18505632.

The previous prime is 55516931. The next prime is 55516943. The reversal of 55516932 is 23961555.

55516932 is a `hidden beast` number, since 55 + 516 + 93 + 2 = 666.

55516932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 34503876 + 21013056 = 5874^2 + 4584^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×555169323 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1542137 = 55516932 / (5 + 5 + 5 + 1 + 6 + 9 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (55516931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 771033 + ... + 771104.

Almost surely, 255516932 is an apocalyptic number.

It is an amenable number.

55516932 is an abundant number, since it is smaller than the sum of its proper divisors (84817626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55516932 is a wasteful number, since it uses less digits than its factorization.

55516932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542147 (or 1542142 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 55516932 is about 7450.9685276479. The cubic root of 55516932 is about 381.4829678163.

The spelling of 55516932 in words is "fifty-five million, five hundred sixteen thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 1542137 3084274 4626411 6168548 9252822 13879233 18505644 27758466 55516932