5553691 has 16 divisors (see below), whose sum is σ = 6628608. Its totient is φ = 4586400.

The previous prime is 5553683. The next prime is 5553721. The reversal of 5553691 is 1963555.

It is not a de Polignac number, because 5553691 - 2³ = 5553683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5553601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9880 + ... + 10426.

It is an arithmetic number, because the mean of its divisors is an integer number (414288).

Almost surely, 2^5553691 is an apocalyptic number.

5553691 is a deficient number, since it is larger than the sum of its proper divisors (1074917).

5553691 is a wasteful number, since it uses less digits than its factorization.

5553691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its digits is 20250, while the sum is 34.

The square root of 5553691 is about 2356.6270387993. The cubic root of 5553691 is about 177.0899454540.

The spelling of 5553691 in words is "five million, five hundred fifty-three thousand, six hundred ninety-one".