2557751052 has 24 divisors (see below), whose sum is σ = 6113650032. Its totient is φ = 831788800.

The previous prime is 2557751047. The next prime is 2557751057. The reversal of 2557751052 is 2501577552.

It is an interprime number because it is at equal distance from previous prime (2557751047) and next prime (2557751057).

It is a self number, because there is not a number n which added to its sum of digits gives 2557751052.

It is not an unprimeable number, because it can be changed into a prime (2557751057) 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, 2598849 + ... + 2599832.

It is an arithmetic number, because the mean of its divisors is an integer number (254735418).

Almost surely, 2^2557751052 is an apocalyptic number.

It is an amenable number.

2557751052 is an abundant number, since it is smaller than the sum of its proper divisors (3555898980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2557751052 is a wasteful number, since it uses less digits than its factorization.

2557751052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198729 (or 5198727 counting only the distinct ones).

The product of its (nonzero) digits is 122500, while the sum is 39.

The square root of 2557751052 is about 50574.2133107377. The cubic root of 2557751052 is about 1367.5800517515.

The spelling of 2557751052 in words is "two billion, five hundred fifty-seven million, seven hundred fifty-one thousand, fifty-two".