5617655121 has 32 divisors (see below), whose sum is σ = 8498560000. Its totient is φ = 3272125248.

The previous prime is 5617655089. The next prime is 5617655143. The reversal of 5617655121 is 1215567165.

It is a happy number.

It is not a de Polignac number, because 5617655121 - 2⁵ = 5617655089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5617655121.

It is not an unprimeable number, because it can be changed into a prime (5617655191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1033950 + ... + 1039368.

It is an arithmetic number, because the mean of its divisors is an integer number (265580000).

Almost surely, 2^5617655121 is an apocalyptic number.

It is an amenable number.

5617655121 is a deficient number, since it is larger than the sum of its proper divisors (2880904879).

5617655121 is a wasteful number, since it uses less digits than its factorization.

5617655121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853.

The product of its digits is 63000, while the sum is 39.

The square root of 5617655121 is about 74951.0181451860. The cubic root of 5617655121 is about 1777.6722424633.

The spelling of 5617655121 in words is "five billion, six hundred seventeen million, six hundred fifty-five thousand, one hundred twenty-one".