56540318878 has 8 divisors (see below), whose sum is σ = 84839641560. Its totient is φ = 28260438360.

The previous prime is 56540318867. The next prime is 56540318893. The reversal of 56540318878 is 87881304565.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4853268 + ... + 4864903.

It is an arithmetic number, because the mean of its divisors is an integer number (10604955195).

Almost surely, 2^56540318878 is an apocalyptic number.

56540318878 is a deficient number, since it is larger than the sum of its proper divisors (28299322682).

56540318878 is a wasteful number, since it uses less digits than its factorization.

56540318878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9721082.

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 56540318878 in words is "fifty-six billion, five hundred forty million, three hundred eighteen thousand, eight hundred seventy-eight".