555525555 has 32 divisors (see below), whose sum is σ = 998839296. Its totient is φ = 261596544.

The previous prime is 555525539. The next prime is 555525569.

555525555 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 555525555 - 2⁴ = 555525539 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, 57447 + ... + 66416.

It is an arithmetic number, because the mean of its divisors is an integer number (31213728).

Almost surely, 2^555525555 is an apocalyptic number.

555525555 is a deficient number, since it is larger than the sum of its proper divisors (443313741).

555525555 is a wasteful number, since it uses less digits than its factorization.

555525555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123907.

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

The square root of 555525555 is about 23569.5896230715. The cubic root of 555525555 is about 822.0558936307.

The spelling of 555525555 in words is "five hundred fifty-five million, five hundred twenty-five thousand, five hundred fifty-five".