53999070129 has 27 divisors (see below), whose sum is σ = 80811265899. Its totient is φ = 34745009040.

The previous prime is 53999070127. The next prime is 53999070133. The reversal of 53999070129 is 92107099935.

The square root of 53999070129 is 232377.

It is a perfect power (a square), and thus also a powerful number.

53999070129 is a `hidden beast` number, since 539 + 9 + 90 + 7 + 0 + 12 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28315802529 + 25683267600 = 168273^2 + 160260^2 .

It is not a de Polignac number, because 53999070129 - 2¹ = 53999070127 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53999070121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20215464 + ... + 20218134.

Almost surely, 2^53999070129 is an apocalyptic number.

53999070129 is the 232377-th square number.

53999070129 is the 116189-th centered octagonal number.

It is an amenable number.

53999070129 is a deficient number, since it is larger than the sum of its proper divisors (26812195770).

53999070129 is an frugal number, since it uses more digits than its factorization.

53999070129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 1377810, while the sum is 54.

The spelling of 53999070129 in words is "fifty-three billion, nine hundred ninety-nine million, seventy thousand, one hundred twenty-nine".