2551573057 has 16 divisors (see below), whose sum is σ = 2909043072. Its totient is φ = 2215333120.

The previous prime is 2551573019. The next prime is 2551573093. The reversal of 2551573057 is 7503751552.

It is not a de Polignac number, because 2551573057 - 2¹⁹ = 2551048769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2551573007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163833 + ... + 178729.

It is an arithmetic number, because the mean of its divisors is an integer number (181815192).

Almost surely, 2^2551573057 is an apocalyptic number.

It is an amenable number.

2551573057 is a deficient number, since it is larger than the sum of its proper divisors (357470015).

2551573057 is a wasteful number, since it uses less digits than its factorization.

2551573057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15608.

The product of its (nonzero) digits is 183750, while the sum is 40.

The square root of 2551573057 is about 50513.0978756995. The cubic root of 2551573057 is about 1366.4780791996.

The spelling of 2551573057 in words is "two billion, five hundred fifty-one million, five hundred seventy-three thousand, fifty-seven".