56018973 has 8 divisors (see below), whose sum is σ = 78623200. Its totient is φ = 35380368.

The previous prime is 56018969. The next prime is 56018983. The reversal of 56018973 is 37981065.

56018973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56018973 - 2² = 56018969 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 (56018903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491338 + ... + 491451.

It is an arithmetic number, because the mean of its divisors is an integer number (9827900).

Almost surely, 2^56018973 is an apocalyptic number.

It is an amenable number.

56018973 is a deficient number, since it is larger than the sum of its proper divisors (22604227).

56018973 is a wasteful number, since it uses less digits than its factorization.

56018973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982811.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 56018973 is about 7484.5823530776. The cubic root of 56018973 is about 382.6294388703.

The spelling of 56018973 in words is "fifty-six million, eighteen thousand, nine hundred seventy-three".