56445983 has 8 divisors (see below), whose sum is σ = 61856256. Its totient is φ = 51082200.

The previous prime is 56445953. The next prime is 56445989. The reversal of 56445983 is 38954465.

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

It is a cyclic number.

It is not a de Polignac number, because 56445983 - 2¹⁴ = 56429599 is a prime.

It is a super-2 number, since 2×56445983² = 6372297993672578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56445989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9053 + ... + 13958.

It is an arithmetic number, because the mean of its divisors is an integer number (7732032).

Almost surely, 2^56445983 is an apocalyptic number.

56445983 is a deficient number, since it is larger than the sum of its proper divisors (5410273).

56445983 is a wasteful number, since it uses less digits than its factorization.

56445983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23245.

The product of its digits is 518400, while the sum is 44.

The square root of 56445983 is about 7513.0541725719. The cubic root of 56445983 is about 383.5991889018.

The spelling of 56445983 in words is "fifty-six million, four hundred forty-five thousand, nine hundred eighty-three".