56392489 has 4 divisors (see below), whose sum is σ = 56506000. Its totient is φ = 56278980.

The previous prime is 56392459. The next prime is 56392499. The reversal of 56392489 is 98429365.

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 56392489 - 2¹⁷ = 56261417 is a prime.

It is a super-2 number, since 2×56392489² = 6360225631230242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56392459) 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, 56007 + ... + 57004.

It is an arithmetic number, because the mean of its divisors is an integer number (14126500).

Almost surely, 2^56392489 is an apocalyptic number.

It is an amenable number.

56392489 is a deficient number, since it is larger than the sum of its proper divisors (113511).

56392489 is a wasteful number, since it uses less digits than its factorization.

56392489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113510.

The product of its digits is 466560, while the sum is 46.

The square root of 56392489 is about 7509.4932585362. The cubic root of 56392489 is about 383.4779712958.

It can be divided in two parts, 5639 and 2489, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 56392489 in words is "fifty-six million, three hundred ninety-two thousand, four hundred eighty-nine".