56078957 has 4 divisors (see below), whose sum is σ = 61177056. Its totient is φ = 50980860.

The previous prime is 56078941. The next prime is 56078963. The reversal of 56078957 is 75987065.

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 not a de Polignac number, because 56078957 - 2⁴ = 56078941 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 (56078917) 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, 2549033 + ... + 2549054.

It is an arithmetic number, because the mean of its divisors is an integer number (15294264).

Almost surely, 2^56078957 is an apocalyptic number.

It is an amenable number.

56078957 is a deficient number, since it is larger than the sum of its proper divisors (5098099).

56078957 is a wasteful number, since it uses less digits than its factorization.

56078957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098098.

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 56078957 is about 7488.5884517711. The cubic root of 56078957 is about 382.7659608130.

The spelling of 56078957 in words is "fifty-six million, seventy-eight thousand, nine hundred fifty-seven".