5591658 has 8 divisors (see below), whose sum is σ = 11183328. Its totient is φ = 1863884.

The previous prime is 5591653. The next prime is 5591671. The reversal of 5591658 is 8561955.

It is a sphenic number, since it is the product of 3 distinct primes.

5591658 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (5591653) 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 3 ways as a sum of consecutive naturals, for example, 465966 + ... + 465977.

It is an arithmetic number, because the mean of its divisors is an integer number (1397916).

Almost surely, 2^5591658 is an apocalyptic number.

5591658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5591658 is a wasteful number, since it uses less digits than its factorization.

5591658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931948.

The product of its digits is 54000, while the sum is 39.

The square root of 5591658 is about 2364.6686871526. The cubic root of 5591658 is about 177.4925792044.

The spelling of 5591658 in words is "five million, five hundred ninety-one thousand, six hundred fifty-eight".