5591635 has 24 divisors (see below), whose sum is σ = 8084880. Its totient is φ = 3697344.

The previous prime is 5591617. The next prime is 5591653. The reversal of 5591635 is 5361955.

It is an interprime number because it is at equal distance from previous prime (5591617) and next prime (5591653).

It is not a de Polignac number, because 5591635 - 2⁹ = 5591123 is a prime.

It is an Ulam number.

5591635 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5591635.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6712 + ... + 7498.

It is an arithmetic number, because the mean of its divisors is an integer number (336870).

Almost surely, 2^5591635 is an apocalyptic number.

5591635 is a deficient number, since it is larger than the sum of its proper divisors (2493245).

5591635 is a wasteful number, since it uses less digits than its factorization.

5591635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 828 counting only the distinct ones).

The product of its digits is 20250, while the sum is 34.

The square root of 5591635 is about 2364.6638238870. The cubic root of 5591635 is about 177.4923358458.

It can be divided in two parts, 5591 and 635, that added together give a palindrome (6226).

The spelling of 5591635 in words is "five million, five hundred ninety-one thousand, six hundred thirty-five".