56518492378 has 8 divisors (see below), whose sum is σ = 84783604500. Its totient is φ = 28257290880.

The previous prime is 56518492361. The next prime is 56518492427. The reversal of 56518492378 is 87329481565.

It can be written as a sum of positive squares in 2 ways, for example, as 40972641889 + 15545850489 = 202417^2 + 124683^2 .

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

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, 941253 + ... + 999496.

Almost surely, 2^56518492378 is an apocalyptic number.

56518492378 is a deficient number, since it is larger than the sum of its proper divisors (28265112122).

56518492378 is a wasteful number, since it uses less digits than its factorization.

56518492378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955312.

The product of its digits is 14515200, while the sum is 58.

The spelling of 56518492378 in words is "fifty-six billion, five hundred eighteen million, four hundred ninety-two thousand, three hundred seventy-eight".