555550507775 has 24 divisors (see below), whose sum is σ = 695165987184. Its totient is φ = 440388748800.

The previous prime is 555550507763. The next prime is 555550507781. The reversal of 555550507775 is 577705055555.

It is a de Polignac number, because none of the positive numbers 2^k-555550507775 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 555550507775.

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, 11334872 + ... + 11383778.

It is an arithmetic number, because the mean of its divisors is an integer number (28965249466).

Almost surely, 2^555550507775 is an apocalyptic number.

555550507775 is a deficient number, since it is larger than the sum of its proper divisors (139615479409).

555550507775 is a wasteful number, since it uses less digits than its factorization.

555550507775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53051 (or 53046 counting only the distinct ones).

The product of its (nonzero) digits is 26796875, while the sum is 56.

The spelling of 555550507775 in words is "five hundred fifty-five billion, five hundred fifty million, five hundred seven thousand, seven hundred seventy-five".