55154635975 has 6 divisors (see below), whose sum is σ = 68391748640. Its totient is φ = 44123708760.

The previous prime is 55154635951. The next prime is 55154635981. The reversal of 55154635975 is 57953645155.

It is a de Polignac number, because none of the positive numbers 2^k-55154635975 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1103092695 + ... + 1103092744.

Almost surely, 2^55154635975 is an apocalyptic number.

55154635975 is a deficient number, since it is larger than the sum of its proper divisors (13237112665).

55154635975 is a wasteful number, since it uses less digits than its factorization.

55154635975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206185449 (or 2206185444 counting only the distinct ones).

The product of its digits is 14175000, while the sum is 55.

The spelling of 55154635975 in words is "fifty-five billion, one hundred fifty-four million, six hundred thirty-five thousand, nine hundred seventy-five".