55103432525 has 12 divisors (see below), whose sum is σ = 69917286912. Its totient is φ = 43057565040.

The previous prime is 55103432513. The next prime is 55103432533. The reversal of 55103432525 is 52523430155.

It is not a de Polignac number, because 55103432525 - 2²² = 55099238221 is a prime.

It is a Duffinian 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, 25628429 + ... + 25630578.

It is an arithmetic number, because the mean of its divisors is an integer number (5826440576).

Almost surely, 2^55103432525 is an apocalyptic number.

It is an amenable number.

55103432525 is a deficient number, since it is larger than the sum of its proper divisors (14813854387).

55103432525 is a wasteful number, since it uses less digits than its factorization.

55103432525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51259060 (or 51259055 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 55103432525 in words is "fifty-five billion, one hundred three million, four hundred thirty-two thousand, five hundred twenty-five".