56655036 has 72 divisors (see below), whose sum is σ = 152290320. Its totient is φ = 17708544.

The previous prime is 56655023. The next prime is 56655061. The reversal of 56655036 is 63055665.

It is a happy number.

It is a super-2 number, since 2×56655036² = 6419586208322592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76926 + ... + 77658.

Almost surely, 2^56655036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56655036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76145160).

56655036 is an abundant number, since it is smaller than the sum of its proper divisors (95635284).

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

56655036 is a wasteful number, since it uses less digits than its factorization.

56655036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 56655036 is about 7526.9539655826. The cubic root of 56655036 is about 384.0721706799.

56655036 divided by its sum of digits (36) gives a palindrome (1573751).

It can be divided in two parts, 5665 and 5036, that added together give a palindrome (10701).

The spelling of 56655036 in words is "fifty-six million, six hundred fifty-five thousand, thirty-six".