55269959 has 2 divisors, whose sum is σ = 55269960. Its totient is φ = 55269958.

The previous prime is 55269953. The next prime is 55269983. The reversal of 55269959 is 95996255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55269959 - 2¹² = 55265863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55269953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27634979 + 27634980.

It is an arithmetic number, because the mean of its divisors is an integer number (27634980).

Almost surely, 2^55269959 is an apocalyptic number.

55269959 is a deficient number, since it is larger than the sum of its proper divisors (1).

55269959 is an equidigital number, since it uses as much as digits as its factorization.

55269959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1093500, while the sum is 50.

The square root of 55269959 is about 7434.3768400586. The cubic root of 55269959 is about 380.9164376552.

The spelling of 55269959 in words is "fifty-five million, two hundred sixty-nine thousand, nine hundred fifty-nine".