5591685 has 16 divisors (see below), whose sum is σ = 9760320. Its totient is φ = 2711040.

The previous prime is 5591671. The next prime is 5591689. The reversal of 5591685 is 5861955.

It is not a de Polignac number, because 5591685 - 2⁵ = 5591653 is a prime.

It is a super-2 number, since 2×5591685² = 62533882278450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16780 + ... + 17109.

It is an arithmetic number, because the mean of its divisors is an integer number (610020).

Almost surely, 2^5591685 is an apocalyptic number.

5591685 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5591685 is a deficient number, since it is larger than the sum of its proper divisors (4168635).

5591685 is a wasteful number, since it uses less digits than its factorization.

5591685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33908.

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

The square root of 5591685 is about 2364.6743961907. The cubic root of 5591685 is about 177.4928648854.

The spelling of 5591685 in words is "five million, five hundred ninety-one thousand, six hundred eighty-five".