5591272032 has 72 divisors (see below), whose sum is σ = 16591511664. Its totient is φ = 1782722304.

The previous prime is 5591272031. The next prime is 5591272033. The reversal of 5591272032 is 2302721955.

5591272032 is a `hidden beast` number, since 559 + 1 + 2 + 72 + 0 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (5591272031) and next prime (5591272033).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591272031) 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 11 ways as a sum of consecutive naturals, for example, 415423 + ... + 428670.

It is an arithmetic number, because the mean of its divisors is an integer number (230437662).

Almost surely, 2^5591272032 is an apocalyptic number.

It is an amenable number.

5591272032 is an abundant number, since it is smaller than the sum of its proper divisors (11000239632).

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

5591272032 is a wasteful number, since it uses less digits than its factorization.

5591272032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844132 (or 844121 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 5591272032 is about 74774.8088061748. The cubic root of 5591272032 is about 1774.8849526174.

Adding to 5591272032 its reverse (2302721955), we get a palindrome (7893993987).

The spelling of 5591272032 in words is "five billion, five hundred ninety-one million, two hundred seventy-two thousand, thirty-two".