55360859 has 2 divisors, whose sum is σ = 55360860. Its totient is φ = 55360858.

The previous prime is 55360829. The next prime is 55360861. The reversal of 55360859 is 95806355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55360859 - 2⁸ = 55360603 is a prime.

It is a Sophie Germain prime.

Together with 55360861, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55360829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27680429 + 27680430.

It is an arithmetic number, because the mean of its divisors is an integer number (27680430).

Almost surely, 2^55360859 is an apocalyptic number.

55360859 is a deficient number, since it is larger than the sum of its proper divisors (1).

55360859 is an equidigital number, since it uses as much as digits as its factorization.

55360859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 55360859 is about 7440.4878200290. The cubic root of 55360859 is about 381.1251486193.

The spelling of 55360859 in words is "fifty-five million, three hundred sixty thousand, eight hundred fifty-nine".