2557549038 has 64 divisors (see below), whose sum is σ = 5633141760. Its totient is φ = 767692800.

The previous prime is 2557549031. The next prime is 2557549069. The reversal of 2557549038 is 8309457552.

2557549038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557549031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4432206 + ... + 4432782.

It is an arithmetic number, because the mean of its divisors is an integer number (88017840).

Almost surely, 2^2557549038 is an apocalyptic number.

2557549038 is an abundant number, since it is smaller than the sum of its proper divisors (3075592722).

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

2557549038 is a wasteful number, since it uses less digits than its factorization.

2557549038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The square root of 2557549038 is about 50572.2160677184. The cubic root of 2557549038 is about 1367.5440464764.

The spelling of 2557549038 in words is "two billion, five hundred fifty-seven million, five hundred forty-nine thousand, thirty-eight".