56615873242 has 8 divisors (see below), whose sum is σ = 85028786100. Its totient is φ = 28272944544.

The previous prime is 56615873231. The next prime is 56615873267. The reversal of 56615873242 is 24237851665.

It can be written as a sum of positive squares in 2 ways, for example, as 53778073801 + 2837799441 = 231901^2 + 53271^2 .

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

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, 17494017 + ... + 17497252.

Almost surely, 2^56615873242 is an apocalyptic number.

56615873242 is a deficient number, since it is larger than the sum of its proper divisors (28412912858).

56615873242 is a wasteful number, since it uses less digits than its factorization.

56615873242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34992080.

The product of its digits is 2419200, while the sum is 49.

The spelling of 56615873242 in words is "fifty-six billion, six hundred fifteen million, eight hundred seventy-three thousand, two hundred forty-two".