55550505252555 has 32 divisors (see below), whose sum is σ = 98979380421120. Its totient is φ = 29560058143200.

The previous prime is 55550505252527. The next prime is 55550505252589. The reversal of 55550505252555 is 55525250505555.

It is not a de Polignac number, because 55550505252555 - 2²⁰ = 55550504203979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464370471 + ... + 464490080.

It is an arithmetic number, because the mean of its divisors is an integer number (3093105638160).

Almost surely, 2^{55550505252555} is an apocalyptic number.

55550505252555 is a deficient number, since it is larger than the sum of its proper divisors (43428875168565).

55550505252555 is a wasteful number, since it uses less digits than its factorization.

55550505252555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928861008 (or 928861002 counting only the distinct ones).

The product of its (nonzero) digits is 39062500, while the sum is 54.

The spelling of 55550505252555 in words is "fifty-five trillion, five hundred fifty billion, five hundred five million, two hundred fifty-two thousand, five hundred fifty-five".