56053920 has 144 divisors (see below), whose sum is σ = 191473632. Its totient is φ = 13777920.

The previous prime is 56053919. The next prime is 56053931. The reversal of 56053920 is 2935065.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80775 + ... + 81465.

It is an arithmetic number, because the mean of its divisors is an integer number (1329678).

Almost surely, 2^56053920 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 56053920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95736816).

56053920 is an abundant number, since it is smaller than the sum of its proper divisors (135419712).

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

56053920 is a wasteful number, since it uses less digits than its factorization.

56053920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 56053920 is about 7486.9165882892. The cubic root of 56053920 is about 382.7089891287.

Adding to 56053920 its reverse (2935065), we get a palindrome (58988985).

The spelling of 56053920 in words is "fifty-six million, fifty-three thousand, nine hundred twenty".