2505453556 has 12 divisors (see below), whose sum is σ = 4387085892. Its totient is φ = 1252000448.

The previous prime is 2505453553. The next prime is 2505453589. The reversal of 2505453556 is 6553545052.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1330060900 + 1175392656 = 36470^2 + 34284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505453553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173785 + ... + 187648.

It is an arithmetic number, because the mean of its divisors is an integer number (365590491).

Almost surely, 2^2505453556 is an apocalyptic number.

It is an amenable number.

2505453556 is a deficient number, since it is larger than the sum of its proper divisors (1881632336).

2505453556 is a wasteful number, since it uses less digits than its factorization.

2505453556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363170 (or 363168 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 40.

The square root of 2505453556 is about 50054.5058511219. The cubic root of 2505453556 is about 1358.1949734624.

The spelling of 2505453556 in words is "two billion, five hundred five million, four hundred fifty-three thousand, five hundred fifty-six".