2557049995 has 4 divisors (see below), whose sum is σ = 3068460000. Its totient is φ = 2045639992.

The previous prime is 2557049981. The next prime is 2557050037. The reversal of 2557049995 is 5999407552.

2557049995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2557049995 - 2⁷ = 2557049867 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255704995 + ... + 255705004.

It is an arithmetic number, because the mean of its divisors is an integer number (767115000).

Almost surely, 2^2557049995 is an apocalyptic number.

2557049995 is a deficient number, since it is larger than the sum of its proper divisors (511410005).

2557049995 is an equidigital number, since it uses as much as digits as its factorization.

2557049995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511410004.

The product of its (nonzero) digits is 5103000, while the sum is 55.

The square root of 2557049995 is about 50567.2818628805. The cubic root of 2557049995 is about 1367.4550931248.

The spelling of 2557049995 in words is "two billion, five hundred fifty-seven million, forty-nine thousand, nine hundred ninety-five".