5577751657 has 4 divisors (see below), whose sum is σ = 5588062276. Its totient is φ = 5567441040.

The previous prime is 5577751609. The next prime is 5577751721. The reversal of 5577751657 is 7561577755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7561577755 = 5 ⋅1512315551.

It can be written as a sum of positive squares in 2 ways, for example, as 1396965376 + 4180786281 = 37376^2 + 64659^2 .

It is a cyclic number.

It is not a de Polignac number, because 5577751657 - 2¹⁵ = 5577718889 is a prime.

It is a super-2 number, since 2×5577751657² = 62222627094332491298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5577751598 and 5577751607.

It is not an unprimeable number, because it can be changed into a prime (5577751607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5154498 + ... + 5155579.

It is an arithmetic number, because the mean of its divisors is an integer number (1397015569).

Almost surely, 2^5577751657 is an apocalyptic number.

It is an amenable number.

5577751657 is a deficient number, since it is larger than the sum of its proper divisors (10310619).

5577751657 is a wasteful number, since it uses less digits than its factorization.

5577751657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10310618.

The product of its digits is 9003750, while the sum is 55.

The square root of 5577751657 is about 74684.3468003838. The cubic root of 5577751657 is about 1773.4531687780.

The spelling of 5577751657 in words is "five billion, five hundred seventy-seven million, seven hundred fifty-one thousand, six hundred fifty-seven".