56290716 has 18 divisors (see below), whose sum is σ = 142290512. Its totient is φ = 18763560.

The previous prime is 56290709. The next prime is 56290721. The reversal of 56290716 is 61709265.

56290716 is a `hidden beast` number, since 562 + 90 + 7 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1563631 = 56290716 / (5 + 6 + 2 + 9 + 0 + 7 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 781780 + ... + 781851.

Almost surely, 2^56290716 is an apocalyptic number.

It is an amenable number.

56290716 is an abundant number, since it is smaller than the sum of its proper divisors (85999796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56290716 is a wasteful number, since it uses less digits than its factorization.

56290716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563641 (or 1563636 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 56290716 is about 7502.7139089799. The cubic root of 56290716 is about 383.2471414699.

The spelling of 56290716 in words is "fifty-six million, two hundred ninety thousand, seven hundred sixteen".