555255555 has 16 divisors (see below), whose sum is σ = 892131840. Its totient is φ = 294895328.

The previous prime is 555255553. The next prime is 555255587. The reversal of 555255555 is 555552555.

It is a cyclic number.

It is not a de Polignac number, because 555255555 - 2¹ = 555255553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (555255551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73857 + ... + 81026.

It is an arithmetic number, because the mean of its divisors is an integer number (55758240).

Almost surely, 2^555255555 is an apocalyptic number.

555255555 is a deficient number, since it is larger than the sum of its proper divisors (336876285).

555255555 is a wasteful number, since it uses less digits than its factorization.

555255555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155130.

The product of its digits is 781250, while the sum is 42.

The square root of 555255555 is about 23563.8612073658. The cubic root of 555255555 is about 821.9226918018.

The spelling of 555255555 in words is "five hundred fifty-five million, two hundred fifty-five thousand, five hundred fifty-five".