50577500666 has 64 divisors (see below), whose sum is σ = 101848181760. Its totient is φ = 18231970560.

The previous prime is 50577500593. The next prime is 50577500681. The reversal of 50577500666 is 66600577505.

It is a self number, because there is not a number n which added to its sum of digits gives 50577500666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9260 + ... + 318183.

It is an arithmetic number, because the mean of its divisors is an integer number (1591377840).

Almost surely, 2^50577500666 is an apocalyptic number.

50577500666 is an abundant number, since it is smaller than the sum of its proper divisors (51270681094).

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

50577500666 is a wasteful number, since it uses less digits than its factorization.

50577500666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327539.

The product of its (nonzero) digits is 1323000, while the sum is 47.

The spelling of 50577500666 in words is "fifty billion, five hundred seventy-seven million, five hundred thousand, six hundred sixty-six".