56894518 has 4 divisors (see below), whose sum is σ = 85341780. Its totient is φ = 28447258.

The previous prime is 56894503. The next prime is 56894561. The reversal of 56894518 is 81549865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81549865 = 5 ⋅16309973.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14223628 + ... + 14223631.

It is an arithmetic number, because the mean of its divisors is an integer number (21335445).

Almost surely, 2^56894518 is an apocalyptic number.

56894518 is a deficient number, since it is larger than the sum of its proper divisors (28447262).

56894518 is a wasteful number, since it uses less digits than its factorization.

56894518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28447261.

The product of its digits is 345600, while the sum is 46.

The square root of 56894518 is about 7542.8454842983. The cubic root of 56894518 is about 384.6125702830.

The spelling of 56894518 in words is "fifty-six million, eight hundred ninety-four thousand, five hundred eighteen".