56253810 has 32 divisors (see below), whose sum is σ = 136255680. Its totient is φ = 14862528.

The previous prime is 56253787. The next prime is 56253811. The reversal of 56253810 is 1835265.

It is a super-2 number, since 2×56253810² = 6328982279032200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (56253811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5332 + ... + 11871.

It is an arithmetic number, because the mean of its divisors is an integer number (4257990).

Almost surely, 2^56253810 is an apocalyptic number.

56253810 is an abundant number, since it is smaller than the sum of its proper divisors (80001870).

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

56253810 is a wasteful number, since it uses less digits than its factorization.

56253810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17322.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 56253810 is about 7500.2539956991. The cubic root of 56253810 is about 383.1633667835.

The spelling of 56253810 in words is "fifty-six million, two hundred fifty-three thousand, eight hundred ten".