5590172391 has 4 divisors (see below), whose sum is σ = 7453563192. Its totient is φ = 3726781592.

The previous prime is 5590172389. The next prime is 5590172411. The reversal of 5590172391 is 1932710955.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5590172391 - 2¹ = 5590172389 is a prime.

It is a super-2 number, since 2×5590172391² = 62500054722197313762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5590172351) 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 3 ways as a sum of consecutive naturals, for example, 931695396 + ... + 931695401.

It is an arithmetic number, because the mean of its divisors is an integer number (1863390798).

Almost surely, 2^5590172391 is an apocalyptic number.

5590172391 is a deficient number, since it is larger than the sum of its proper divisors (1863390801).

5590172391 is a wasteful number, since it uses less digits than its factorization.

5590172391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863390800.

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 5590172391 is about 74767.4554268099. The cubic root of 5590172391 is about 1774.7685888623.

The spelling of 5590172391 in words is "five billion, five hundred ninety million, one hundred seventy-two thousand, three hundred ninety-one".