2523451555 has 16 divisors (see below), whose sum is σ = 3169813824. Its totient is φ = 1924869760.

The previous prime is 2523451547. The next prime is 2523451577. The reversal of 2523451555 is 5551543252.

It is not a de Polignac number, because 2523451555 - 2³ = 2523451547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1845 + ... + 71065.

It is an arithmetic number, because the mean of its divisors is an integer number (198113364).

Almost surely, 2^2523451555 is an apocalyptic number.

2523451555 is a deficient number, since it is larger than the sum of its proper divisors (646362269).

2523451555 is a wasteful number, since it uses less digits than its factorization.

2523451555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69566.

The product of its digits is 150000, while the sum is 37.

The square root of 2523451555 is about 50233.9681390989. The cubic root of 2523451555 is about 1361.4394280653.

The spelling of 2523451555 in words is "two billion, five hundred twenty-three million, four hundred fifty-one thousand, five hundred fifty-five".