55275807525 has 12 divisors (see below), whose sum is σ = 91389335232. Its totient is φ = 29480430640.

The previous prime is 55275807473. The next prime is 55275807553. The reversal of 55275807525 is 52570857255.

It is not a de Polignac number, because 55275807525 - 2¹⁰ = 55275806501 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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, 368505309 + ... + 368505458.

It is an arithmetic number, because the mean of its divisors is an integer number (7615777936).

Almost surely, 2^55275807525 is an apocalyptic number.

It is an amenable number.

55275807525 is a deficient number, since it is larger than the sum of its proper divisors (36113527707).

55275807525 is a wasteful number, since it uses less digits than its factorization.

55275807525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737010780 (or 737010775 counting only the distinct ones).

The product of its (nonzero) digits is 4900000, while the sum is 51.

The spelling of 55275807525 in words is "fifty-five billion, two hundred seventy-five million, eight hundred seven thousand, five hundred twenty-five".