55133313525 has 24 divisors (see below), whose sum is σ = 101281940160. Its totient is φ = 29404433520.

The previous prime is 55133313523. The next prime is 55133313539. The reversal of 55133313525 is 52531333155.

55133313525 is a `hidden beast` number, since 5 + 513 + 3 + 3 + 135 + 2 + 5 = 666.

It is not a de Polignac number, because 55133313525 - 2¹ = 55133313523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55133313525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55133313523) 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, 40838817 + ... + 40840166.

It is an arithmetic number, because the mean of its divisors is an integer number (4220080840).

Almost surely, 2^55133313525 is an apocalyptic number.

It is an amenable number.

55133313525 is a deficient number, since it is larger than the sum of its proper divisors (46148626635).

55133313525 is a wasteful number, since it uses less digits than its factorization.

55133313525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81679002 (or 81678991 counting only the distinct ones).

The product of its digits is 101250, while the sum is 36.

The spelling of 55133313525 in words is "fifty-five billion, one hundred thirty-three million, three hundred thirteen thousand, five hundred twenty-five".