56749700 has 36 divisors (see below), whose sum is σ = 140740992. Its totient is φ = 19456800.

The previous prime is 56749687. The next prime is 56749711. The reversal of 56749700 is 794765.

56749700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39836 + ... + 41235.

It is an arithmetic number, because the mean of its divisors is an integer number (3909472).

Almost surely, 2^56749700 is an apocalyptic number.

56749700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56749700 is an abundant number, since it is smaller than the sum of its proper divisors (83991292).

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

56749700 is a wasteful number, since it uses less digits than its factorization.

56749700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81092 (or 81085 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 56749700 is about 7533.2396749340. The cubic root of 56749700 is about 384.2859650126.

The spelling of 56749700 in words is "fifty-six million, seven hundred forty-nine thousand, seven hundred".