52255519 has 2 divisors, whose sum is σ = 52255520. Its totient is φ = 52255518.

The previous prime is 52255459. The next prime is 52255523. The reversal of 52255519 is 91555225.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52255519 is a prime.

It is a super-2 number, since 2×52255519² = 5461278531918722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52255559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26127759 + 26127760.

It is an arithmetic number, because the mean of its divisors is an integer number (26127760).

Almost surely, 2^52255519 is an apocalyptic number.

52255519 is a deficient number, since it is larger than the sum of its proper divisors (1).

52255519 is an equidigital number, since it uses as much as digits as its factorization.

52255519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22500, while the sum is 34.

The square root of 52255519 is about 7228.7978945327. The cubic root of 52255519 is about 373.8614808216.

The spelling of 52255519 in words is "fifty-two million, two hundred fifty-five thousand, five hundred nineteen".