5591612 has 24 divisors (see below), whose sum is σ = 10602816. Its totient is φ = 2564928.

The previous prime is 5591611. The next prime is 5591617. The reversal of 5591612 is 2161955.

It is a super-2 number, since 2×5591612² = 62532249517088, which contains 22 as substring.

Its product of digits (2700) is a multiple of the sum of its prime divisors (675).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15053 + ... + 15419.

It is an arithmetic number, because the mean of its divisors is an integer number (441784).

Almost surely, 2^5591612 is an apocalyptic number.

5591612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5591612 is a deficient number, since it is larger than the sum of its proper divisors (5011204).

5591612 is a wasteful number, since it uses less digits than its factorization.

5591612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 675 counting only the distinct ones).

The product of its digits is 2700, while the sum is 29.

The square root of 5591612 is about 2364.6589606114. The cubic root of 5591612 is about 177.4920924865.

The spelling of 5591612 in words is "five million, five hundred ninety-one thousand, six hundred twelve".