5391550917 has 20 divisors (see below), whose sum is σ = 8056238080. Its totient is φ = 3593388744.

The previous prime is 5391550909. The next prime is 5391550919. The reversal of 5391550917 is 7190551935.

5391550917 is a `hidden beast` number, since 5 + 3 + 9 + 1 + 550 + 91 + 7 = 666.

It is not a de Polignac number, because 5391550917 - 2³ = 5391550909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5391550919) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 408138 + ... + 421140.

It is an arithmetic number, because the mean of its divisors is an integer number (402811904).

Almost surely, 2^5391550917 is an apocalyptic number.

It is an amenable number.

5391550917 is a deficient number, since it is larger than the sum of its proper divisors (2664687163).

5391550917 is a wasteful number, since it uses less digits than its factorization.

5391550917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18134 (or 18125 counting only the distinct ones).

The product of its (nonzero) digits is 212625, while the sum is 45.

The square root of 5391550917 is about 73427.1810503440. The cubic root of 5391550917 is about 1753.4951553437.

The spelling of 5391550917 in words is "five billion, three hundred ninety-one million, five hundred fifty thousand, nine hundred seventeen".