56447938 has 8 divisors (see below), whose sum is σ = 84732480. Its totient is φ = 28203780.

The previous prime is 56447933. The next prime is 56447959. The reversal of 56447938 is 83974465.

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

It is not an unprimeable number, because it can be changed into a prime (56447933) 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, 6318 + ... + 12361.

It is an arithmetic number, because the mean of its divisors is an integer number (10591560).

Almost surely, 2^56447938 is an apocalyptic number.

56447938 is a deficient number, since it is larger than the sum of its proper divisors (28284542).

56447938 is a wasteful number, since it uses less digits than its factorization.

56447938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20192.

The product of its digits is 725760, while the sum is 46.

The square root of 56447938 is about 7513.1842783203. The cubic root of 56447938 is about 383.6036174883.

The spelling of 56447938 in words is "fifty-six million, four hundred forty-seven thousand, nine hundred thirty-eight".