56389023 has 12 divisors (see below), whose sum is σ = 81645408. Its totient is φ = 37502880.

The previous prime is 56388991. The next prime is 56389033. The reversal of 56389023 is 32098365.

56389023 is a `hidden beast` number, since 563 + 8 + 90 + 2 + 3 = 666.

It is not a de Polignac number, because 56389023 - 2⁵ = 56388991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56389033) 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 11 ways as a sum of consecutive naturals, for example, 3390 + ... + 11147.

It is an arithmetic number, because the mean of its divisors is an integer number (6803784).

Almost surely, 2^56389023 is an apocalyptic number.

56389023 is a deficient number, since it is larger than the sum of its proper divisors (25256385).

56389023 is a wasteful number, since it uses less digits than its factorization.

56389023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14974 (or 14971 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 56389023 is about 7509.2624804304. The cubic root of 56389023 is about 383.4701146828.

The spelling of 56389023 in words is "fifty-six million, three hundred eighty-nine thousand, twenty-three".