2555812057 has 8 divisors (see below), whose sum is σ = 2608288776. Its totient is φ = 2503492992.

The previous prime is 2555812001. The next prime is 2555812069. The reversal of 2555812057 is 7502185552.

It can be written as a sum of positive squares in 4 ways, for example, as 56911936 + 2498900121 = 7544^2 + 49989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2555812057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555812157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6378 + ... + 71779.

It is an arithmetic number, because the mean of its divisors is an integer number (326036097).

Almost surely, 2^2555812057 is an apocalyptic number.

It is an amenable number.

2555812057 is a deficient number, since it is larger than the sum of its proper divisors (52476719).

2555812057 is an equidigital number, since it uses as much as digits as its factorization.

2555812057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78827.

The product of its (nonzero) digits is 140000, while the sum is 40.

The square root of 2555812057 is about 50555.0398773456. The cubic root of 2555812057 is about 1367.2343833380.

The spelling of 2555812057 in words is "two billion, five hundred fifty-five million, eight hundred twelve thousand, fifty-seven".