2553006566 has 16 divisors (see below), whose sum is σ = 4179521808. Its totient is φ = 1159936800.

The previous prime is 2553006557. The next prime is 2553006607. The reversal of 2553006566 is 6656003552.

2553006566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2553006566² = 13035685052078224712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26456 + ... + 76196.

It is an arithmetic number, because the mean of its divisors is an integer number (261220113).

Almost surely, 2^2553006566 is an apocalyptic number.

2553006566 is a deficient number, since it is larger than the sum of its proper divisors (1626515242).

2553006566 is a wasteful number, since it uses less digits than its factorization.

2553006566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52087.

The product of its (nonzero) digits is 162000, while the sum is 38.

The square root of 2553006566 is about 50527.2853614757. The cubic root of 2553006566 is about 1366.7339333802.

The spelling of 2553006566 in words is "two billion, five hundred fifty-three million, six thousand, five hundred sixty-six".