2557550567 has 32 divisors (see below), whose sum is σ = 3202161984. Its totient is φ = 2006784000.

The previous prime is 2557550549. The next prime is 2557550579. The reversal of 2557550567 is 7650557552.

It is a happy number.

It is not a de Polignac number, because 2557550567 - 2⁸ = 2557550311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557550507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378317 + ... + 385017.

It is an arithmetic number, because the mean of its divisors is an integer number (100067562).

Almost surely, 2^2557550567 is an apocalyptic number.

2557550567 is a deficient number, since it is larger than the sum of its proper divisors (644611417).

2557550567 is a wasteful number, since it uses less digits than its factorization.

2557550567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6899.

The product of its (nonzero) digits is 1837500, while the sum is 47.

The square root of 2557550567 is about 50572.2311847124. The cubic root of 2557550567 is about 1367.5443189997.

The spelling of 2557550567 in words is "two billion, five hundred fifty-seven million, five hundred fifty thousand, five hundred sixty-seven".