53127999 has 18 divisors (see below), whose sum is σ = 80229240. Its totient is φ = 33875688.

The previous prime is 53127989. The next prime is 53128039. The reversal of 53127999 is 99972135.

It is a happy number.

53127999 is a `hidden beast` number, since 531 + 27 + 9 + 99 = 666.

It is not a de Polignac number, because 53127999 - 2⁴ = 53127983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53127929) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 819 + ... + 10340.

It is an arithmetic number, because the mean of its divisors is an integer number (4457180).

Almost surely, 2^53127999 is an apocalyptic number.

53127999 is a deficient number, since it is larger than the sum of its proper divisors (27101241).

53127999 is a wasteful number, since it uses less digits than its factorization.

53127999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11211 (or 11185 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 53127999 is about 7288.8955953560. The cubic root of 53127999 is about 375.9307227693.

The spelling of 53127999 in words is "fifty-three million, one hundred twenty-seven thousand, nine hundred ninety-nine".