5525091 has 56 divisors (see below), whose sum is σ = 9915696. Its totient is φ = 3032640.

The previous prime is 5525089. The next prime is 5525131. The reversal of 5525091 is 1905255.

It is not a de Polignac number, because 5525091 - 2¹ = 5525089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

5525091 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5525041) 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 55 ways as a sum of consecutive naturals, for example, 104221 + ... + 104273.

It is an arithmetic number, because the mean of its divisors is an integer number (177066).

Almost surely, 2^5525091 is an apocalyptic number.

5525091 is a deficient number, since it is larger than the sum of its proper divisors (4390605).

5525091 is a wasteful number, since it uses less digits than its factorization.

5525091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 5525091 is about 2350.5512119501. The cubic root of 5525091 is about 176.7854337658.

The spelling of 5525091 in words is "five million, five hundred twenty-five thousand, ninety-one".