55650997527 has 4 divisors (see below), whose sum is σ = 74201330040. Its totient is φ = 37100665016.

The previous prime is 55650997517. The next prime is 55650997543. The reversal of 55650997527 is 72579905655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55650997527 - 2⁷ = 55650997399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55650997517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9275166252 + ... + 9275166257.

It is an arithmetic number, because the mean of its divisors is an integer number (18550332510).

Almost surely, 2^55650997527 is an apocalyptic number.

55650997527 is a deficient number, since it is larger than the sum of its proper divisors (18550332513).

55650997527 is a wasteful number, since it uses less digits than its factorization.

55650997527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18550332512.

The product of its (nonzero) digits is 29767500, while the sum is 60.

The spelling of 55650997527 in words is "fifty-five billion, six hundred fifty million, nine hundred ninety-seven thousand, five hundred twenty-seven".