5391568 has 90 divisors (see below), whose sum is σ = 13680114. Its totient is φ = 2040192.

The previous prime is 5391559. The next prime is 5391583. The reversal of 5391568 is 8651935.

It can be written as a sum of positive squares in only one way, i.e., 3732624 + 1658944 = 1932^2 + 1288^2 .

Its product of digits (32400) is a multiple of the sum of its prime divisors (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 234405 + ... + 234427.

Almost surely, 2^5391568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5391568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6840057).

5391568 is an abundant number, since it is smaller than the sum of its proper divisors (8288546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5391568 is a wasteful number, since it uses less digits than its factorization.

5391568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 45 counting only the distinct ones).

The product of its digits is 32400, while the sum is 37.

The square root of 5391568 is about 2321.9750213988. The cubic root of 5391568 is about 175.3497007311.

The spelling of 5391568 in words is "five million, three hundred ninety-one thousand, five hundred sixty-eight".