2512555553 has 4 divisors (see below), whose sum is σ = 2516538048. Its totient is φ = 2508573060.

The previous prime is 2512555483. The next prime is 2512555567. The reversal of 2512555553 is 3555552152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2512555553 is a prime.

It is a super-2 number, since 2×2512555553² = 12625870813822271618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2512585553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1990301 + ... + 1991562.

It is an arithmetic number, because the mean of its divisors is an integer number (629134512).

Almost surely, 2^2512555553 is an apocalyptic number.

It is an amenable number.

2512555553 is a deficient number, since it is larger than the sum of its proper divisors (3982495).

2512555553 is an equidigital number, since it uses as much as digits as its factorization.

2512555553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3982494.

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

The square root of 2512555553 is about 50125.3982827069. The cubic root of 2512555553 is about 1359.4770828825.

The spelling of 2512555553 in words is "two billion, five hundred twelve million, five hundred fifty-five thousand, five hundred fifty-three".