56540918 has 8 divisors (see below), whose sum is σ = 96927312. Its totient is φ = 24231816.

The previous prime is 56540879. The next prime is 56540959. The reversal of 56540918 is 81904565.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2019305 + ... + 2019332.

It is an arithmetic number, because the mean of its divisors is an integer number (12115914).

Almost surely, 2^56540918 is an apocalyptic number.

56540918 is a deficient number, since it is larger than the sum of its proper divisors (40386394).

56540918 is a wasteful number, since it uses less digits than its factorization.

56540918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038646.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 56540918 is about 7519.3695214426. The cubic root of 56540918 is about 383.8141235459.

The spelling of 56540918 in words is "fifty-six million, five hundred forty thousand, nine hundred eighteen".