2557355475 has 24 divisors (see below), whose sum is σ = 4476878640. Its totient is φ = 1283691520.

The previous prime is 2557355473. The next prime is 2557355477. The reversal of 2557355475 is 5745537552.

2557355475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2557355473) and next prime (2557355477).

It is not a de Polignac number, because 2557355475 - 2¹ = 2557355473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2557355473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1001610 + ... + 1004159.

It is an arithmetic number, because the mean of its divisors is an integer number (186536610).

Almost surely, 2^2557355475 is an apocalyptic number.

2557355475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2557355475 is a deficient number, since it is larger than the sum of its proper divisors (1919523165).

2557355475 is a wasteful number, since it uses less digits than its factorization.

2557355475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005799 (or 2005794 counting only the distinct ones).

The product of its digits is 3675000, while the sum is 48.

The square root of 2557355475 is about 50570.3023028338. The cubic root of 2557355475 is about 1367.5095456578.

The spelling of 2557355475 in words is "two billion, five hundred fifty-seven million, three hundred fifty-five thousand, four hundred seventy-five".