2557351654 has 32 divisors (see below), whose sum is σ = 4591720224. Its totient is φ = 1052762880.

The previous prime is 2557351651. The next prime is 2557351673. The reversal of 2557351654 is 4561537552.

2557351654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2557351654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557351651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69199 + ... + 99514.

It is an arithmetic number, because the mean of its divisors is an integer number (143491257).

Almost surely, 2^2557351654 is an apocalyptic number.

2557351654 is a deficient number, since it is larger than the sum of its proper divisors (2034368570).

2557351654 is a wasteful number, since it uses less digits than its factorization.

2557351654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168792.

The product of its digits is 630000, while the sum is 43.

The square root of 2557351654 is about 50570.2645237298. The cubic root of 2557351654 is about 1367.5088645823.

The spelling of 2557351654 in words is "two billion, five hundred fifty-seven million, three hundred fifty-one thousand, six hundred fifty-four".