55113259 has 2 divisors, whose sum is σ = 55113260. Its totient is φ = 55113258.

The previous prime is 55113251. The next prime is 55113271. The reversal of 55113259 is 95231155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55113259 - 2³ = 55113251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55113259.

It is not a weakly prime, because it can be changed into another prime (55113251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27556629 + 27556630.

It is an arithmetic number, because the mean of its divisors is an integer number (27556630).

Almost surely, 2^55113259 is an apocalyptic number.

55113259 is a deficient number, since it is larger than the sum of its proper divisors (1).

55113259 is an equidigital number, since it uses as much as digits as its factorization.

55113259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6750, while the sum is 31.

The square root of 55113259 is about 7423.8304802844. The cubic root of 55113259 is about 380.5561086685.

The spelling of 55113259 in words is "fifty-five million, one hundred thirteen thousand, two hundred fifty-nine".