56455994 has 8 divisors (see below), whose sum is σ = 96781728. Its totient is φ = 24195420.

The previous prime is 56455967. The next prime is 56455999. The reversal of 56455994 is 49955465.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56455999) 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, 2016272 + ... + 2016299.

It is an arithmetic number, because the mean of its divisors is an integer number (12097716).

Almost surely, 2^56455994 is an apocalyptic number.

56455994 is a deficient number, since it is larger than the sum of its proper divisors (40325734).

56455994 is a wasteful number, since it uses less digits than its factorization.

56455994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032580.

The product of its digits is 972000, while the sum is 47.

The square root of 56455994 is about 7513.7203834053. The cubic root of 56455994 is about 383.6218653574.

The spelling of 56455994 in words is "fifty-six million, four hundred fifty-five thousand, nine hundred ninety-four".