2564102553 has 16 divisors (see below), whose sum is σ = 3529056960. Its totient is φ = 1654744896.

The previous prime is 2564102533. The next prime is 2564102557. The reversal of 2564102553 is 3552014652.

It is not a de Polignac number, because 2564102553 - 2¹⁶ = 2564037017 is a prime.

It is a super-2 number, since 2×2564102553² = 13149243804602235618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2564102557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36763 + ... + 80496.

It is an arithmetic number, because the mean of its divisors is an integer number (220566060).

Almost surely, 2^2564102553 is an apocalyptic number.

It is an amenable number.

2564102553 is a deficient number, since it is larger than the sum of its proper divisors (964954407).

2564102553 is a wasteful number, since it uses less digits than its factorization.

2564102553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117496.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 2564102553 is about 50636.9682445543. The cubic root of 2564102553 is about 1368.7111243019.

The spelling of 2564102553 in words is "two billion, five hundred sixty-four million, one hundred two thousand, five hundred fifty-three".