5655131065 has 4 divisors (see below), whose sum is σ = 6786157284. Its totient is φ = 4524104848.

The previous prime is 5655131033. The next prime is 5655131081. The reversal of 5655131065 is 5601315565.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1637092521 + 4018038544 = 40461^2 + 63388^2 .

It is a cyclic number.

It is not a de Polignac number, because 5655131065 - 2⁵ = 5655131033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565513102 + ... + 565513111.

It is an arithmetic number, because the mean of its divisors is an integer number (1696539321).

Almost surely, 2^5655131065 is an apocalyptic number.

It is an amenable number.

5655131065 is a deficient number, since it is larger than the sum of its proper divisors (1131026219).

5655131065 is a wasteful number, since it uses less digits than its factorization.

5655131065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131026218.

The product of its (nonzero) digits is 67500, while the sum is 37.

The square root of 5655131065 is about 75200.6054829348. The cubic root of 5655131065 is about 1781.6164948721.

It can be divided in two parts, 56551 and 31065, that added together give a square (87616 = 296²).

The spelling of 5655131065 in words is "five billion, six hundred fifty-five million, one hundred thirty-one thousand, sixty-five".