5554091565 has 64 divisors (see below), whose sum is σ = 10782720000. Its totient is φ = 2690107200.

The previous prime is 5554091549. The next prime is 5554091579. The reversal of 5554091565 is 5651904555.

5554091565 is a `hidden beast` number, since 5 + 554 + 0 + 91 + 5 + 6 + 5 = 666.

It is not a de Polignac number, because 5554091565 - 2⁴ = 5554091549 is a prime.

It is a super-2 number, since 2×5554091565² = 61695866224808298450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5554091565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2777436 + ... + 2779434.

It is an arithmetic number, because the mean of its divisors is an integer number (168480000).

Almost surely, 2^5554091565 is an apocalyptic number.

5554091565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5554091565 is a deficient number, since it is larger than the sum of its proper divisors (5228628435).

5554091565 is a wasteful number, since it uses less digits than its factorization.

5554091565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895 (or 3889 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The square root of 5554091565 is about 74525.7778557192. Note that the first 3 decimals coincide. The cubic root of 5554091565 is about 1770.9420294261.

The spelling of 5554091565 in words is "five billion, five hundred fifty-four million, ninety-one thousand, five hundred sixty-five".