56053871 has 4 divisors (see below), whose sum is σ = 56100000. Its totient is φ = 56007744.

The previous prime is 56053843. The next prime is 56053883. The reversal of 56053871 is 17835065.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56053871 - 2¹⁸ = 55791727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56053831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21191 + ... + 23688.

It is an arithmetic number, because the mean of its divisors is an integer number (14025000).

Almost surely, 2^56053871 is an apocalyptic number.

56053871 is a deficient number, since it is larger than the sum of its proper divisors (46129).

56053871 is a wasteful number, since it uses less digits than its factorization.

56053871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46128.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 56053871 is about 7486.9133159133. The cubic root of 56053871 is about 382.7088776126.

The spelling of 56053871 in words is "fifty-six million, fifty-three thousand, eight hundred seventy-one".