55996583 has 2 divisors, whose sum is σ = 55996584. Its totient is φ = 55996582.

The previous prime is 55996579. The next prime is 55996601. The reversal of 55996583 is 38569955.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55996583 - 2² = 55996579 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55996573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27998291 + 27998292.

It is an arithmetic number, because the mean of its divisors is an integer number (27998292).

Almost surely, 2^55996583 is an apocalyptic number.

55996583 is a deficient number, since it is larger than the sum of its proper divisors (1).

55996583 is an equidigital number, since it uses as much as digits as its factorization.

55996583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458000, while the sum is 50.

The square root of 55996583 is about 7483.0864621492. The cubic root of 55996583 is about 382.5784548654.

The spelling of 55996583 in words is "fifty-five million, nine hundred ninety-six thousand, five hundred eighty-three".