2555892 has 18 divisors (see below), whose sum is σ = 6460818. Its totient is φ = 851952.

The previous prime is 2555881. The next prime is 2555893. The reversal of 2555892 is 2985552.

It can be written as a sum of positive squares in only one way, i.e., 1527696 + 1028196 = 1236^2 + 1014^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 70997 = 2555892 / (2 + 5 + 5 + 5 + 8 + 9 + 2).

It is a d-powerful number, because it can be written as 2⁸ + 5² + 5⁷ + 5⁹ + 8² + 9 + 2¹⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35463 + ... + 35534.

2^2555892 is an apocalyptic number.

It is an amenable number.

2555892 is an abundant number, since it is smaller than the sum of its proper divisors (3904926).

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

2555892 is a wasteful number, since it uses less digits than its factorization.

2555892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71007 (or 71002 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 2555892 is about 1598.7157345820. The cubic root of 2555892 is about 136.7248638387.

The spelling of 2555892 in words is "two million, five hundred fifty-five thousand, eight hundred ninety-two".