55503311017925 has 12 divisors (see below), whose sum is σ = 71044238103936. Its totient is φ = 42970305303600.

The previous prime is 55503311017897. The next prime is 55503311017937. The reversal of 55503311017925 is 52971011330555.

It is a de Polignac number, because none of the positive numbers 2^k-55503311017925 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55503311017925.

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, 35808586979 + ... + 35808588528.

It is an arithmetic number, because the mean of its divisors is an integer number (5920353175328).

Almost surely, 2^{55503311017925} is an apocalyptic number.

It is an amenable number.

55503311017925 is a deficient number, since it is larger than the sum of its proper divisors (15540927086011).

55503311017925 is a wasteful number, since it uses less digits than its factorization.

55503311017925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71617175548 (or 71617175543 counting only the distinct ones).

The product of its (nonzero) digits is 708750, while the sum is 47.

The spelling of 55503311017925 in words is "fifty-five trillion, five hundred three billion, three hundred eleven million, seventeen thousand, nine hundred twenty-five".