Search a number
-
+
55795531 = 1110150221
BaseRepresentation
bin1101010011010…
…1111101001011
310212222201002011
43110311331023
5103240424111
65311520351
71245153121
oct324657513
9125881064
1055795531
112954a010
12168290b7
13b73730c
1475a5911
154d72021
hex3535f4b

55795531 has 8 divisors (see below), whose sum is σ = 61471728. Its totient is φ = 50220000.

The previous prime is 55795499. The next prime is 55795549. The reversal of 55795531 is 13559755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55795531 - 25 = 55795499 is a prime.

It is a super-2 number, since 2×557955312 = 6226282559143922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55795931) 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, 24000 + ... + 26221.

It is an arithmetic number, because the mean of its divisors is an integer number (7683966).

Almost surely, 255795531 is an apocalyptic number.

55795531 is a deficient number, since it is larger than the sum of its proper divisors (5676197).

55795531 is a wasteful number, since it uses less digits than its factorization.

55795531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50333.

The product of its digits is 118125, while the sum is 40.

The square root of 55795531 is about 7469.6406205386. The cubic root of 55795531 is about 382.1200316310.

The spelling of 55795531 in words is "fifty-five million, seven hundred ninety-five thousand, five hundred thirty-one".

Divisors: 1 11 101 1111 50221 552431 5072321 55795531