55206583 has 2 divisors, whose sum is σ = 55206584. Its totient is φ = 55206582.

The previous prime is 55206563. The next prime is 55206587. The reversal of 55206583 is 38560255.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55206583 - 2⁵ = 55206551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55206587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27603291 + 27603292.

It is an arithmetic number, because the mean of its divisors is an integer number (27603292).

Almost surely, 2^55206583 is an apocalyptic number.

55206583 is a deficient number, since it is larger than the sum of its proper divisors (1).

55206583 is an equidigital number, since it uses as much as digits as its factorization.

55206583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 55206583 is about 7430.1132562028. The cubic root of 55206583 is about 380.7707877479.

The spelling of 55206583 in words is "fifty-five million, two hundred six thousand, five hundred eighty-three".