56163810 has 32 divisors (see below), whose sum is σ = 141888960. Its totient is φ = 14188608.

The previous prime is 56163803. The next prime is 56163827. The reversal of 56163810 is 1836165.

It is a super-2 number, since 2×56163810² = 6308747107432200, which contains 22 as substring.

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

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48697 + ... + 49836.

It is an arithmetic number, because the mean of its divisors is an integer number (4434030).

Almost surely, 2^56163810 is an apocalyptic number.

56163810 is an abundant number, since it is smaller than the sum of its proper divisors (85725150).

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

56163810 is a wasteful number, since it uses less digits than its factorization.

56163810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98562.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 56163810 is about 7494.2517972110. The cubic root of 56163810 is about 382.9589177576.

Adding to 56163810 its reverse (1836165), we get a palindrome (57999975).

The spelling of 56163810 in words is "fifty-six million, one hundred sixty-three thousand, eight hundred ten".