50720872 has 8 divisors (see below), whose sum is σ = 95101650. Its totient is φ = 25360432.

The previous prime is 50720869. The next prime is 50720881. The reversal of 50720872 is 27802705.

It can be written as a sum of positive squares in only one way, i.e., 27815076 + 22905796 = 5274^2 + 4786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3170047 + ... + 3170062.

Almost surely, 2^50720872 is an apocalyptic number.

It is an amenable number.

50720872 is a deficient number, since it is larger than the sum of its proper divisors (44380778).

50720872 is a wasteful number, since it uses less digits than its factorization.

50720872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6340115 (or 6340111 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 50720872 is about 7121.8587461420. The cubic root of 50720872 is about 370.1651855557.

The spelling of 50720872 in words is "fifty million, seven hundred twenty thousand, eight hundred seventy-two".