5610561657 has 8 divisors (see below), whose sum is σ = 7583225184. Its totient is φ = 3689136288.

The previous prime is 5610561643. The next prime is 5610561673. The reversal of 5610561657 is 7561650165.

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

It is not a de Polignac number, because 5610561657 - 2¹⁹ = 5610037369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5610561457) 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, 12809283 + ... + 12809720.

It is an arithmetic number, because the mean of its divisors is an integer number (947903148).

Almost surely, 2^5610561657 is an apocalyptic number.

It is an amenable number.

5610561657 is a deficient number, since it is larger than the sum of its proper divisors (1972663527).

5610561657 is a wasteful number, since it uses less digits than its factorization.

5610561657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25619079.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 5610561657 is about 74903.6825329703. The cubic root of 5610561657 is about 1776.9236996973.

The spelling of 5610561657 in words is "five billion, six hundred ten million, five hundred sixty-one thousand, six hundred fifty-seven".