2656534553 has 16 divisors (see below), whose sum is σ = 2767306752. Its totient is φ = 2547450000.

The previous prime is 2656534537. The next prime is 2656534561. The reversal of 2656534553 is 3554356562.

It is a cyclic number.

It is not a de Polignac number, because 2656534553 - 2⁴ = 2656534537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2656534583) 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, 1734398 + ... + 1735928.

It is an arithmetic number, because the mean of its divisors is an integer number (172956672).

Almost surely, 2^2656534553 is an apocalyptic number.

It is an amenable number.

2656534553 is a deficient number, since it is larger than the sum of its proper divisors (110772199).

2656534553 is a wasteful number, since it uses less digits than its factorization.

2656534553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036.

The product of its digits is 1620000, while the sum is 44.

The square root of 2656534553 is about 51541.5808158811. The cubic root of 2656534553 is about 1384.9640157993.

The spelling of 2656534553 in words is "two billion, six hundred fifty-six million, five hundred thirty-four thousand, five hundred fifty-three".