55540204125 has 64 divisors (see below), whose sum is σ = 108197945856. Its totient is φ = 24770496000.

The previous prime is 55540204123. The next prime is 55540204151. The reversal of 55540204125 is 52140204555.

It is not a de Polignac number, because 55540204125 - 2¹ = 55540204123 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55540204123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 150402 + ... + 365651.

It is an arithmetic number, because the mean of its divisors is an integer number (1690592904).

Almost surely, 2^55540204125 is an apocalyptic number.

It is an amenable number.

55540204125 is a deficient number, since it is larger than the sum of its proper divisors (52657741731).

55540204125 is a wasteful number, since it uses less digits than its factorization.

55540204125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516119 (or 516109 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 55540204125 in words is "fifty-five billion, five hundred forty million, two hundred four thousand, one hundred twenty-five".