55858183 has 2 divisors, whose sum is σ = 55858184. Its totient is φ = 55858182.

The previous prime is 55858177. The next prime is 55858217. The reversal of 55858183 is 38185855.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55858183 - 2⁹ = 55857671 is a prime.

It is a super-2 number, since 2×55858183² = 6240273216122978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55858133) 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 as a sum of consecutive naturals, namely, 27929091 + 27929092.

It is an arithmetic number, because the mean of its divisors is an integer number (27929092).

Almost surely, 2^55858183 is an apocalyptic number.

55858183 is a deficient number, since it is larger than the sum of its proper divisors (1).

55858183 is an equidigital number, since it uses as much as digits as its factorization.

55858183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192000, while the sum is 43.

The square root of 55858183 is about 7473.8332199749. The cubic root of 55858183 is about 382.2630038281.

The spelling of 55858183 in words is "fifty-five million, eight hundred fifty-eight thousand, one hundred eighty-three".