56758635290 has 128 divisors (see below), whose sum is σ = 122008965120. Its totient is φ = 18606661632.

The previous prime is 56758635287. The next prime is 56758635317. The reversal of 56758635290 is 9253685765.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39442391 + ... + 39443829.

It is an arithmetic number, because the mean of its divisors is an integer number (953195040).

Almost surely, 2^56758635290 is an apocalyptic number.

56758635290 is an abundant number, since it is smaller than the sum of its proper divisors (65250329830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56758635290 is a wasteful number, since it uses less digits than its factorization.

56758635290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744.

The product of its (nonzero) digits is 13608000, while the sum is 56.

The spelling of 56758635290 in words is "fifty-six billion, seven hundred fifty-eight million, six hundred thirty-five thousand, two hundred ninety".