56881135 has 8 divisors (see below), whose sum is σ = 68303376. Its totient is φ = 45474240.

The previous prime is 56881129. The next prime is 56881157. The reversal of 56881135 is 53118865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56881135 - 2³ = 56881127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56881094 and 56881103.

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, 7227 + ... + 12883.

It is an arithmetic number, because the mean of its divisors is an integer number (8537922).

Almost surely, 2^56881135 is an apocalyptic number.

56881135 is a deficient number, since it is larger than the sum of its proper divisors (11422241).

56881135 is a wasteful number, since it uses less digits than its factorization.

56881135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673.

The product of its digits is 28800, while the sum is 37.

The square root of 56881135 is about 7541.9583000703. The cubic root of 56881135 is about 384.5824111168.

The spelling of 56881135 in words is "fifty-six million, eight hundred eighty-one thousand, one hundred thirty-five".