2515553255 has 4 divisors (see below), whose sum is σ = 3018663912. Its totient is φ = 2012442600.

The previous prime is 2515553239. The next prime is 2515553269. The reversal of 2515553255 is 5523555152.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2515553255 - 2⁴ = 2515553239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251555321 + ... + 251555330.

It is an arithmetic number, because the mean of its divisors is an integer number (754665978).

Almost surely, 2^2515553255 is an apocalyptic number.

2515553255 is a deficient number, since it is larger than the sum of its proper divisors (503110657).

2515553255 is an equidigital number, since it uses as much as digits as its factorization.

2515553255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503110656.

The product of its digits is 187500, while the sum is 38.

The square root of 2515553255 is about 50155.2913958238. The cubic root of 2515553255 is about 1360.0175269872.

The spelling of 2515553255 in words is "two billion, five hundred fifteen million, five hundred fifty-three thousand, two hundred fifty-five".