51650774580 has 48 divisors (see below), whose sum is σ = 152233865280. Its totient is φ = 13048616448.

The previous prime is 51650774543. The next prime is 51650774633. The reversal of 51650774580 is 8547705615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22652709 + ... + 22654988.

It is an arithmetic number, because the mean of its divisors is an integer number (3171538860).

Almost surely, 2^51650774580 is an apocalyptic number.

It is an amenable number.

51650774580 is an abundant number, since it is smaller than the sum of its proper divisors (100583090700).

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

51650774580 is a wasteful number, since it uses less digits than its factorization.

51650774580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45307728 (or 45307726 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 48.

The spelling of 51650774580 in words is "fifty-one billion, six hundred fifty million, seven hundred seventy-four thousand, five hundred eighty".