56053404 has 96 divisors (see below), whose sum is σ = 164102400. Its totient is φ = 16390080.

The previous prime is 56053399. The next prime is 56053411. The reversal of 56053404 is 40435065.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33639 + ... + 35265.

It is an arithmetic number, because the mean of its divisors is an integer number (1709400).

Almost surely, 2^56053404 is an apocalyptic number.

56053404 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56053404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82051200).

56053404 is an abundant number, since it is smaller than the sum of its proper divisors (108048996).

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

56053404 is a wasteful number, since it uses less digits than its factorization.

56053404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680 (or 1672 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 56053404 is about 7486.8821280958. The cubic root of 56053404 is about 382.7078147925.

Adding to 56053404 its reverse (40435065), we get a palindrome (96488469).

It can be divided in two parts, 5605 and 3404, that added together give a palindrome (9009).

The spelling of 56053404 in words is "fifty-six million, fifty-three thousand, four hundred four".