56432578 has 8 divisors (see below), whose sum is σ = 84738960. Its totient is φ = 28186260.

The previous prime is 56432569. The next prime is 56432587. The reversal of 56432578 is 87523465.

It is an interprime number because it is at equal distance from previous prime (56432569) and next prime (56432587).

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

It is a self number, because there is not a number n which added to its sum of digits gives 56432578.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12588 + ... + 16471.

It is an arithmetic number, because the mean of its divisors is an integer number (10592370).

Almost surely, 2^56432578 is an apocalyptic number.

56432578 is a deficient number, since it is larger than the sum of its proper divisors (28306382).

56432578 is a wasteful number, since it uses less digits than its factorization.

56432578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30032.

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

The square root of 56432578 is about 7512.1620057078. The cubic root of 56432578 is about 383.5688203148.

The spelling of 56432578 in words is "fifty-six million, four hundred thirty-two thousand, five hundred seventy-eight".