2551055 has 12 divisors (see below), whose sum is σ = 3315960. Its totient is φ = 1883232.

The previous prime is 2551033. The next prime is 2551057. The reversal of 2551055 is 5501552.

It is not a de Polignac number, because 2551055 - 2⁶ = 2550991 is a prime.

It is a super-2 number, since 2×2551055² = 13015763226050, 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 2551055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551057) 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 11 ways as a sum of consecutive naturals, for example, 665 + ... + 2354.

It is an arithmetic number, because the mean of its divisors is an integer number (276330).

2^2551055 is an apocalyptic number.

2551055 is a deficient number, since it is larger than the sum of its proper divisors (764905).

2551055 is a wasteful number, since it uses less digits than its factorization.

2551055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050 (or 3037 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 2551055 is about 1597.2022414209. The cubic root of 2551055 is about 136.6385592273.

The spelling of 2551055 in words is "two million, five hundred fifty-one thousand, fifty-five".