Search a number
-
+
55377486 = 2331025509
BaseRepresentation
bin1101001100111…
…1111001001110
310212012110122000
43103033321032
5103134034421
65254533130
71241462253
oct323177116
9125173560
1055377486
1129293a1a
12166671a6
13b61bc58
1474d742a
154cdd226
hex34cfe4e

55377486 has 16 divisors (see below), whose sum is σ = 123061200. Its totient is φ = 18459144.

The previous prime is 55377481. The next prime is 55377503. The reversal of 55377486 is 68477355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55377481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512701 + ... + 512808.

It is an arithmetic number, because the mean of its divisors is an integer number (7691325).

Almost surely, 255377486 is an apocalyptic number.

55377486 is an abundant number, since it is smaller than the sum of its proper divisors (67683714).

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

55377486 is a wasteful number, since it uses less digits than its factorization.

55377486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025520 (or 1025514 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 55377486 is about 7441.6050688007. The cubic root of 55377486 is about 381.1633003246.

The spelling of 55377486 in words is "fifty-five million, three hundred seventy-seven thousand, four hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 1025509 2051018 3076527 6153054 9229581 18459162 27688743 55377486