2656042553 has 8 divisors (see below), whose sum is σ = 2772178368. Its totient is φ = 2539961424.

The previous prime is 2656042483. The next prime is 2656042573. The reversal of 2656042553 is 3552406562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2656042553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2656042573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109175 + ... + 131267.

It is an arithmetic number, because the mean of its divisors is an integer number (346522296).

Almost surely, 2^2656042553 is an apocalyptic number.

2656042553 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2656042553 is a deficient number, since it is larger than the sum of its proper divisors (116135815).

2656042553 is a wasteful number, since it uses less digits than its factorization.

2656042553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27343.

The product of its (nonzero) digits is 216000, while the sum is 38.

The square root of 2656042553 is about 51536.8077494134. The cubic root of 2656042553 is about 1384.8785103720.

The spelling of 2656042553 in words is "two billion, six hundred fifty-six million, forty-two thousand, five hundred fifty-three".