55850000249 has 2 divisors, whose sum is σ = 55850000250. Its totient is φ = 55850000248.

The previous prime is 55850000209. The next prime is 55850000273. The reversal of 55850000249 is 94200005855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39141852649 + 16708147600 = 197843^2 + 129260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55850000249 is a prime.

It is not a weakly prime, because it can be changed into another prime (55850000209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27925000124 + 27925000125.

It is an arithmetic number, because the mean of its divisors is an integer number (27925000125).

Almost surely, 2^55850000249 is an apocalyptic number.

It is an amenable number.

55850000249 is a deficient number, since it is larger than the sum of its proper divisors (1).

55850000249 is an equidigital number, since it uses as much as digits as its factorization.

55850000249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 55850000249 in words is "fifty-five billion, eight hundred fifty million, two hundred forty-nine", and thus it is an aban number.