56908128090434 has 8 divisors (see below), whose sum is σ = 85362224211900. Its totient is φ = 28454053353136.

The previous prime is 56908128090389. The next prime is 56908128090467. The reversal of 56908128090434 is 43409082180965.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44494943225209 + 12413184865225 = 6670453^2 + 3523235^2 .

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, 7131332 + ... + 12832464.

Almost surely, 2^{56908128090434} is an apocalyptic number.

56908128090434 is a deficient number, since it is larger than the sum of its proper divisors (28454096121466).

56908128090434 is a wasteful number, since it uses less digits than its factorization.

56908128090434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10692084.

The product of its (nonzero) digits is 14929920, while the sum is 59.

The spelling of 56908128090434 in words is "fifty-six trillion, nine hundred eight billion, one hundred twenty-eight million, ninety thousand, four hundred thirty-four".