55631356 has 24 divisors (see below), whose sum is σ = 106404480. Its totient is φ = 25239600.

The previous prime is 55631353. The next prime is 55631363. The reversal of 55631356 is 65313655.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55631351) 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, 34905 + ... + 36463.

It is an arithmetic number, because the mean of its divisors is an integer number (4433520).

Almost surely, 2^55631356 is an apocalyptic number.

It is an amenable number.

55631356 is a deficient number, since it is larger than the sum of its proper divisors (50773124).

55631356 is a wasteful number, since it uses less digits than its factorization.

55631356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385 (or 2383 counting only the distinct ones).

The product of its digits is 40500, while the sum is 34.

The square root of 55631356 is about 7458.6430401247. The cubic root of 55631356 is about 381.7448750146.

The spelling of 55631356 in words is "fifty-five million, six hundred thirty-one thousand, three hundred fifty-six".