56243578 has 16 divisors (see below), whose sum is σ = 85307040. Its totient is φ = 27810000.

The previous prime is 56243521. The next prime is 56243581. The reversal of 56243578 is 87534265.

It is a self number, because there is not a number n which added to its sum of digits gives 56243578.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90553 + ... + 91171.

It is an arithmetic number, because the mean of its divisors is an integer number (5331690).

Almost surely, 2^56243578 is an apocalyptic number.

56243578 is a deficient number, since it is larger than the sum of its proper divisors (29063462).

56243578 is a wasteful number, since it uses less digits than its factorization.

56243578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053.

The product of its digits is 201600, while the sum is 40.

The square root of 56243578 is about 7499.5718544461. The cubic root of 56243578 is about 383.1401341924.

The spelling of 56243578 in words is "fifty-six million, two hundred forty-three thousand, five hundred seventy-eight".