56913047 has 4 divisors (see below), whose sum is σ = 56948856. Its totient is φ = 56877240.

The previous prime is 56913029. The next prime is 56913049. The reversal of 56913047 is 74031965.

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 56913047 - 2⁶ = 56912983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56912998 and 56913016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56913049) 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, 15404 + ... + 18737.

It is an arithmetic number, because the mean of its divisors is an integer number (14237214).

Almost surely, 2^56913047 is an apocalyptic number.

56913047 is a deficient number, since it is larger than the sum of its proper divisors (35809).

56913047 is a wasteful number, since it uses less digits than its factorization.

56913047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35808.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 56913047 is about 7544.0736343172. The cubic root of 56913047 is about 384.6543183756.

The spelling of 56913047 in words is "fifty-six million, nine hundred thirteen thousand, forty-seven".