55401113525 has 12 divisors (see below), whose sum is σ = 71066256900. Its totient is φ = 42792583680.

The previous prime is 55401113513. The next prime is 55401113531. The reversal of 55401113525 is 52531110455.

It can be written as a sum of positive squares in 6 ways, for example, as 274299844 + 55126813681 = 16562^2 + 234791^2 .

It is not a de Polignac number, because 55401113525 - 2⁶ = 55401113461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55401113491 and 55401113500.

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, 38206940 + ... + 38208389.

It is an arithmetic number, because the mean of its divisors is an integer number (5922188075).

Almost surely, 2^55401113525 is an apocalyptic number.

It is an amenable number.

55401113525 is a deficient number, since it is larger than the sum of its proper divisors (15665143375).

55401113525 is a wasteful number, since it uses less digits than its factorization.

55401113525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76415368 (or 76415363 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 55401113525 in words is "fifty-five billion, four hundred one million, one hundred thirteen thousand, five hundred twenty-five".