5591089520 has 80 divisors (see below), whose sum is σ = 13130588160. Its totient is φ = 2213971200.

The previous prime is 5591089487. The next prime is 5591089531. The reversal of 5591089520 is 259801955.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3651155 + ... + 3652685.

It is an arithmetic number, because the mean of its divisors is an integer number (164132352).

Almost surely, 2^5591089520 is an apocalyptic number.

It is an amenable number.

5591089520 is an abundant number, since it is smaller than the sum of its proper divisors (7539498640).

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

5591089520 is a wasteful number, since it uses less digits than its factorization.

5591089520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974 (or 1968 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 44.

The square root of 5591089520 is about 74773.5883852046. The cubic root of 5591089520 is about 1774.8656402960.

The spelling of 5591089520 in words is "five billion, five hundred ninety-one million, eighty-nine thousand, five hundred twenty".