55530052775 has 24 divisors (see below), whose sum is σ = 71112674688. Its totient is φ = 42970320000.

The previous prime is 55530052757. The next prime is 55530052807. The reversal of 55530052775 is 57725003555.

It is a happy number.

It is not a de Polignac number, because 55530052775 - 2²⁰ = 55529004199 is a prime.

It is a super-2 number, since 2×55530052775² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1705145 + ... + 1737405.

It is an arithmetic number, because the mean of its divisors is an integer number (2963028112).

Almost surely, 2^55530052775 is an apocalyptic number.

55530052775 is a deficient number, since it is larger than the sum of its proper divisors (15582621913).

55530052775 is a wasteful number, since it uses less digits than its factorization.

55530052775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34523 (or 34518 counting only the distinct ones).

The product of its (nonzero) digits is 918750, while the sum is 44.

The spelling of 55530052775 in words is "fifty-five billion, five hundred thirty million, fifty-two thousand, seven hundred seventy-five".