5505591 has 48 divisors (see below), whose sum is σ = 9550464. Its totient is φ = 2794176.

The previous prime is 5505551. The next prime is 5505593. The reversal of 5505591 is 1955055.

It is not a de Polignac number, because 5505591 - 2⁶ = 5505527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5505593) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82140 + ... + 82206.

It is an arithmetic number, because the mean of its divisors is an integer number (198968).

Almost surely, 2^5505591 is an apocalyptic number.

5505591 is a deficient number, since it is larger than the sum of its proper divisors (4044873).

5505591 is a wasteful number, since it uses less digits than its factorization.

5505591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 30.

The square root of 5505591 is about 2346.3995823389. The cubic root of 5505591 is about 176.5772091695.

The spelling of 5505591 in words is "five million, five hundred five thousand, five hundred ninety-one".