2555553 has 64 divisors (see below), whose sum is σ = 4902912. Its totient is φ = 1140480.

The previous prime is 2555551. The next prime is 2555561. The reversal of 2555553 is 3555552.

It is not a de Polignac number, because 2555553 - 2¹ = 2555551 is a prime.

It is a super-2 number, since 2×2555553² = 13061702271618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2555553.

It is not an unprimeable number, because it can be changed into a prime (2555551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69051 + ... + 69087.

It is an arithmetic number, because the mean of its divisors is an integer number (76608).

2^2555553 is an apocalyptic number.

2555553 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2555553 is a deficient number, since it is larger than the sum of its proper divisors (2347359).

2555553 is a wasteful number, since it uses less digits than its factorization.

2555553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94.

The product of its digits is 18750, while the sum is 30.

The square root of 2555553 is about 1598.6097084655. The cubic root of 2555553 is about 136.7188187504.

Subtracting 2555553 from its reverse (3555552), we obtain a palindrome (999999).

It can be divided in two parts, 2 and 555553, that added together give a palindrome (555555).

The spelling of 2555553 in words is "two million, five hundred fifty-five thousand, five hundred fifty-three".