2555577 has 8 divisors (see below), whose sum is σ = 3786080. Its totient is φ = 1703700.

The previous prime is 2555569. The next prime is 2555587. The reversal of 2555577 is 7755552.

It is not a de Polignac number, because 2555577 - 2³ = 2555569 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2555587) 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, 47299 + ... + 47352.

It is an arithmetic number, because the mean of its divisors is an integer number (473260).

2^2555577 is an apocalyptic number.

2555577 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2555577 is a deficient number, since it is larger than the sum of its proper divisors (1230503).

2555577 is an equidigital number, since it uses as much as digits as its factorization.

2555577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94660 (or 94654 counting only the distinct ones).

The product of its digits is 61250, while the sum is 36.

The square root of 2555577 is about 1598.6172149705. The cubic root of 2555577 is about 136.7192467389.

It can be divided in two parts, 255 and 5577, that added together give a cube (5832 = 18³).

The spelling of 2555577 in words is "two million, five hundred fifty-five thousand, five hundred seventy-seven".