50904972 has 18 divisors (see below), whose sum is σ = 128676548. Its totient is φ = 16968312.

The previous prime is 50904961. The next prime is 50904989. The reversal of 50904972 is 27940905.

50904972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1414027 = 50904972 / (5 + 0 + 9 + 0 + 4 + 9 + 7 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 706978 + ... + 707049.

Almost surely, 2^50904972 is an apocalyptic number.

It is an amenable number.

50904972 is an abundant number, since it is smaller than the sum of its proper divisors (77771576).

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

50904972 is a wasteful number, since it uses less digits than its factorization.

50904972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414037 (or 1414032 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 50904972 is about 7134.7720356014. The cubic root of 50904972 is about 370.6125038751.

The spelling of 50904972 in words is "fifty million, nine hundred four thousand, nine hundred seventy-two".