56510973 has 8 divisors (see below), whose sum is σ = 83720000. Its totient is φ = 37673964.

The previous prime is 56510953. The next prime is 56510981. The reversal of 56510973 is 37901565.

It is a happy number.

56510973 is a `hidden beast` number, since 56 + 510 + 97 + 3 = 666.

It is not a de Polignac number, because 56510973 - 2⁸ = 56510717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56510953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046473 + ... + 1046526.

It is an arithmetic number, because the mean of its divisors is an integer number (10465000).

Almost surely, 2^56510973 is an apocalyptic number.

It is an amenable number.

56510973 is a deficient number, since it is larger than the sum of its proper divisors (27209027).

56510973 is a wasteful number, since it uses less digits than its factorization.

56510973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093008 (or 2093002 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 56510973 is about 7517.3780668528. The cubic root of 56510973 is about 383.7463534899.

The spelling of 56510973 in words is "fifty-six million, five hundred ten thousand, nine hundred seventy-three".