2555546 has 24 divisors (see below), whose sum is σ = 4524660. Its totient is φ = 1079232.

The previous prime is 2555543. The next prime is 2555549. The reversal of 2555546 is 6455552.

It is an interprime number because it is at equal distance from previous prime (2555543) and next prime (2555549).

It can be written as a sum of positive squares in 2 ways, for example, as 2524921 + 30625 = 1589^2 + 175^2 .

It is not an unprimeable number, because it can be changed into a prime (2555543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8576 + ... + 8868.

2^2555546 is an apocalyptic number.

2555546 is a deficient number, since it is larger than the sum of its proper divisors (1969114).

2555546 is a wasteful number, since it uses less digits than its factorization.

2555546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 391 counting only the distinct ones).

The product of its digits is 30000, while the sum is 32.

The square root of 2555546 is about 1598.6075190615. The cubic root of 2555546 is about 136.7186939200.

The spelling of 2555546 in words is "two million, five hundred fifty-five thousand, five hundred forty-six".