56509040834 has 8 divisors (see below), whose sum is σ = 84808725948. Its totient is φ = 28239465520.

The previous prime is 56509040683. The next prime is 56509040867. The reversal of 56509040834 is 43804090565.

It can be written as a sum of positive squares in 2 ways, for example, as 55438115209 + 1070925625 = 235453^2 + 32725^2 .

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, 7522757 + ... + 7530264.

Almost surely, 2^56509040834 is an apocalyptic number.

56509040834 is a deficient number, since it is larger than the sum of its proper divisors (28299685114).

56509040834 is a wasteful number, since it uses less digits than its factorization.

56509040834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15054900.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 56509040834 in words is "fifty-six billion, five hundred nine million, forty thousand, eight hundred thirty-four".