55513020525 has 12 divisors (see below), whose sum is σ = 91781527392. Its totient is φ = 29606944240.

The previous prime is 55513020491. The next prime is 55513020533. The reversal of 55513020525 is 52502031555.

It is not a de Polignac number, because 55513020525 - 2⁷ = 55513020397 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 370086729 + ... + 370086878.

It is an arithmetic number, because the mean of its divisors is an integer number (7648460616).

Almost surely, 2^55513020525 is an apocalyptic number.

It is an amenable number.

55513020525 is a deficient number, since it is larger than the sum of its proper divisors (36268506867).

55513020525 is a wasteful number, since it uses less digits than its factorization.

55513020525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740173620 (or 740173615 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 55513020525 in words is "fifty-five billion, five hundred thirteen million, twenty thousand, five hundred twenty-five".