56754881 has 4 divisors (see below), whose sum is σ = 59742000. Its totient is φ = 53767764.

The previous prime is 56754851. The next prime is 56754889. The reversal of 56754881 is 18845765.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56754881 is a prime.

It is a super-2 number, since 2×56754881² = 6442233034648322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56754889) 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, 1493531 + ... + 1493568.

It is an arithmetic number, because the mean of its divisors is an integer number (14935500).

Almost surely, 2^56754881 is an apocalyptic number.

It is an amenable number.

56754881 is a deficient number, since it is larger than the sum of its proper divisors (2987119).

56754881 is a wasteful number, since it uses less digits than its factorization.

56754881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987118.

The product of its digits is 268800, while the sum is 44.

The square root of 56754881 is about 7533.5835430424. The cubic root of 56754881 is about 384.2976592007.

The spelling of 56754881 in words is "fifty-six million, seven hundred fifty-four thousand, eight hundred eighty-one".