55573015025 has 24 divisors (see below), whose sum is σ = 76774621824. Its totient is φ = 39556798400.

The previous prime is 55573014997. The next prime is 55573015039. The reversal of 55573015025 is 52051037555.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-55573015025 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55573015025.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2136902 + ... + 2162751.

It is an arithmetic number, because the mean of its divisors is an integer number (3198942576).

Almost surely, 2^55573015025 is an apocalyptic number.

55573015025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55573015025 is a deficient number, since it is larger than the sum of its proper divisors (21201606799).

55573015025 is a wasteful number, since it uses less digits than its factorization.

55573015025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4299721 (or 4299716 counting only the distinct ones).

The product of its (nonzero) digits is 131250, while the sum is 38.

The spelling of 55573015025 in words is "fifty-five billion, five hundred seventy-three million, fifteen thousand, twenty-five".