5591365555 has 16 divisors (see below), whose sum is σ = 6793214688. Its totient is φ = 4417600000.

The previous prime is 5591365547. The next prime is 5591365579. The reversal of 5591365555 is 5555631955.

It is not a de Polignac number, because 5591365555 - 2³ = 5591365547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5591365499 and 5591365508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188700 + ... + 216310.

It is an arithmetic number, because the mean of its divisors is an integer number (424575918).

Almost surely, 2^5591365555 is an apocalyptic number.

5591365555 is a deficient number, since it is larger than the sum of its proper divisors (1201849133).

5591365555 is a wasteful number, since it uses less digits than its factorization.

5591365555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28118.

The product of its digits is 2531250, while the sum is 49.

The square root of 5591365555 is about 74775.4341679137. The cubic root of 5591365555 is about 1774.8948484955.

The spelling of 5591365555 in words is "five billion, five hundred ninety-one million, three hundred sixty-five thousand, five hundred fifty-five".