2455530 has 64 divisors (see below), whose sum is σ = 7354368. Its totient is φ = 509760.

The previous prime is 2455529. The next prime is 2455547. The reversal of 2455530 is 355542.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2455530.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1779 + ... + 2841.

It is an arithmetic number, because the mean of its divisors is an integer number (114912).

2^2455530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2455530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3677184).

2455530 is an abundant number, since it is smaller than the sum of its proper divisors (4898838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2455530 is a wasteful number, since it uses less digits than its factorization.

2455530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 2455530 is about 1567.0130822683. The cubic root of 2455530 is about 134.9113272289.

It can be divided in two parts, 245 and 5530, that added together give a palindrome (5775).

The spelling of 2455530 in words is "two million, four hundred fifty-five thousand, five hundred thirty".