52991127 has 24 divisors (see below), whose sum is σ = 88917920. Its totient is φ = 29782080.

The previous prime is 52991123. The next prime is 52991129. The reversal of 52991127 is 72119925.

52991127 is a `hidden beast` number, since 529 + 9 + 1 + 127 = 666.

It is not a de Polignac number, because 52991127 - 2² = 52991123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52991091 and 52991100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52991123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3052 + ... + 10737.

Almost surely, 2^52991127 is an apocalyptic number.

52991127 is a deficient number, since it is larger than the sum of its proper divisors (35926793).

52991127 is a wasteful number, since it uses less digits than its factorization.

52991127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13863 (or 13860 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 52991127 is about 7279.5004636307. The cubic root of 52991127 is about 375.6076122878.

The spelling of 52991127 in words is "fifty-two million, nine hundred ninety-one thousand, one hundred twenty-seven".