56438506 has 8 divisors (see below), whose sum is σ = 85677984. Its totient is φ = 27879180.

The previous prime is 56438477. The next prime is 56438537. The reversal of 56438506 is 60583465.

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

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, 169830 + ... + 170161.

It is an arithmetic number, because the mean of its divisors is an integer number (10709748).

Almost surely, 2^56438506 is an apocalyptic number.

56438506 is a deficient number, since it is larger than the sum of its proper divisors (29239478).

56438506 is a wasteful number, since it uses less digits than its factorization.

56438506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340076.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 56438506 is about 7512.5565555276. The cubic root of 56438506 is about 383.5822505971.

The spelling of 56438506 in words is "fifty-six million, four hundred thirty-eight thousand, five hundred six".