56053172 has 24 divisors (see below), whose sum is σ = 115973760. Its totient is φ = 23194080.

The previous prime is 56053159. The next prime is 56053181. The reversal of 56053172 is 27135065.

It is a super-3 number, since 3×56053172³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33704 + ... + 35327.

It is an arithmetic number, because the mean of its divisors is an integer number (4832240).

Almost surely, 2^56053172 is an apocalyptic number.

It is an amenable number.

56053172 is an abundant number, since it is smaller than the sum of its proper divisors (59920588).

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

56053172 is a wasteful number, since it uses less digits than its factorization.

56053172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69071 (or 69069 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 56053172 is about 7486.8666343137. The cubic root of 56053172 is about 382.7072867940.

The spelling of 56053172 in words is "fifty-six million, fifty-three thousand, one hundred seventy-two".