2455557 has 16 divisors (see below), whose sum is σ = 3575040. Its totient is φ = 1490112.

The previous prime is 2455553. The next prime is 2455561. The reversal of 2455557 is 7555542.

It is an interprime number because it is at equal distance from previous prime (2455553) and next prime (2455561).

It is not a de Polignac number, because 2455557 - 2² = 2455553 is a prime.

It is a plaindrome in base 10 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2683 + ... + 3479.

It is an arithmetic number, because the mean of its divisors is an integer number (223440).

2^2455557 is an apocalyptic number.

It is an amenable number.

2455557 is a deficient number, since it is larger than the sum of its proper divisors (1119483).

2455557 is a wasteful number, since it uses less digits than its factorization.

2455557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892.

The product of its digits is 35000, while the sum is 33.

The square root of 2455557 is about 1567.0216973610. The cubic root of 2455557 is about 134.9118217036.

The spelling of 2455557 in words is "two million, four hundred fifty-five thousand, five hundred fifty-seven".