5591051772 has 24 divisors (see below), whose sum is σ = 13048180992. Its totient is φ = 1863342000.

The previous prime is 5591051771. The next prime is 5591051801. The reversal of 5591051772 is 2771501955.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591051771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30397 + ... + 110027.

It is an arithmetic number, because the mean of its divisors is an integer number (543674208).

Almost surely, 2^5591051772 is an apocalyptic number.

It is an amenable number.

5591051772 is an abundant number, since it is smaller than the sum of its proper divisors (7457129220).

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

5591051772 is a wasteful number, since it uses less digits than its factorization.

5591051772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85489 (or 85487 counting only the distinct ones).

The product of its (nonzero) digits is 110250, while the sum is 42.

The square root of 5591051772 is about 74773.3359694484. The cubic root of 5591051772 is about 1774.8616459774.

The spelling of 5591051772 in words is "five billion, five hundred ninety-one million, fifty-one thousand, seven hundred seventy-two".