2555257533 has 8 divisors (see below), whose sum is σ = 3407260896. Its totient is φ = 1703379600.

The previous prime is 2555257513. The next prime is 2555257567. The reversal of 2555257533 is 3357525552.

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

It is not a de Polignac number, because 2555257533 - 2⁶ = 2555257469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555257513) 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, 38263 + ... + 81083.

It is an arithmetic number, because the mean of its divisors is an integer number (425907612).

Almost surely, 2^2555257533 is an apocalyptic number.

It is an amenable number.

2555257533 is a deficient number, since it is larger than the sum of its proper divisors (852003363).

2555257533 is a wasteful number, since it uses less digits than its factorization.

2555257533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62715.

The product of its digits is 787500, while the sum is 42.

The square root of 2555257533 is about 50549.5552205952. Note that the first 3 decimals coincide. The cubic root of 2555257533 is about 1367.1354951176.

The spelling of 2555257533 in words is "two billion, five hundred fifty-five million, two hundred fifty-seven thousand, five hundred thirty-three".