54133131525 has 24 divisors (see below), whose sum is σ = 97636485984. Its totient is φ = 26246366400.

The previous prime is 54133131509. The next prime is 54133131541. The reversal of 54133131525 is 52513133145.

It is an interprime number because it is at equal distance from previous prime (54133131509) and next prime (54133131541).

It is not a de Polignac number, because 54133131525 - 2⁴ = 54133131509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32807134 + ... + 32808783.

It is an arithmetic number, because the mean of its divisors is an integer number (4068186916).

Almost surely, 2^54133131525 is an apocalyptic number.

54133131525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54133131525 is a deficient number, since it is larger than the sum of its proper divisors (43503354459).

54133131525 is a wasteful number, since it uses less digits than its factorization.

54133131525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65615941 (or 65615936 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The spelling of 54133131525 in words is "fifty-four billion, one hundred thirty-three million, one hundred thirty-one thousand, five hundred twenty-five".