56291693 has 4 divisors (see below), whose sum is σ = 56334240. Its totient is φ = 56249148.

The previous prime is 56291659. The next prime is 56291701. The reversal of 56291693 is 39619265.

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 56291693 - 2¹² = 56287597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56291693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56291293) 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, 19223 + ... + 21956.

It is an arithmetic number, because the mean of its divisors is an integer number (14083560).

Almost surely, 2^56291693 is an apocalyptic number.

It is an amenable number.

56291693 is a deficient number, since it is larger than the sum of its proper divisors (42547).

56291693 is a wasteful number, since it uses less digits than its factorization.

56291693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42546.

The product of its digits is 87480, while the sum is 41.

The square root of 56291693 is about 7502.7790184704. The cubic root of 56291693 is about 383.2493587112.

The spelling of 56291693 in words is "fifty-six million, two hundred ninety-one thousand, six hundred ninety-three".