56555356 has 24 divisors (see below), whose sum is σ = 116275824. Its totient is φ = 23729280.

The previous prime is 56555341. The next prime is 56555393. The reversal of 56555356 is 65355565.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48865 + ... + 50008.

It is an arithmetic number, because the mean of its divisors is an integer number (4844826).

Almost surely, 2^56555356 is an apocalyptic number.

It is an amenable number.

56555356 is an abundant number, since it is smaller than the sum of its proper divisors (59720468).

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

56555356 is a wasteful number, since it uses less digits than its factorization.

56555356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98901 (or 98899 counting only the distinct ones).

The product of its digits is 337500, while the sum is 40.

The square root of 56555356 is about 7520.3295140572. The cubic root of 56555356 is about 383.8467903702.

It can be divided in two parts, 5655 and 5356, that added together give a palindrome (11011).

The spelling of 56555356 in words is "fifty-six million, five hundred fifty-five thousand, three hundred fifty-six".