50635477921 has 16 divisors (see below), whose sum is σ = 58415575680. Its totient is φ = 42992208000.

The previous prime is 50635477913. The next prime is 50635477931. The reversal of 50635477921 is 12977453605.

It is not a de Polignac number, because 50635477921 - 2³ = 50635477913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50635477931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4127046 + ... + 4139296.

It is an arithmetic number, because the mean of its divisors is an integer number (3650973480).

Almost surely, 2^50635477921 is an apocalyptic number.

It is an amenable number.

50635477921 is a deficient number, since it is larger than the sum of its proper divisors (7780097759).

50635477921 is a wasteful number, since it uses less digits than its factorization.

50635477921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17784.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 50635477921 in words is "fifty billion, six hundred thirty-five million, four hundred seventy-seven thousand, nine hundred twenty-one".