52255778 has 8 divisors (see below), whose sum is σ = 78442668. Its totient is φ = 26108224.

The previous prime is 52255759. The next prime is 52255781. The reversal of 52255778 is 87755225.

It can be written as a sum of positive squares in 2 ways, for example, as 49098049 + 3157729 = 7007^2 + 1777^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6251 + ... + 11982.

Almost surely, 2^52255778 is an apocalyptic number.

52255778 is a deficient number, since it is larger than the sum of its proper divisors (26186890).

52255778 is a wasteful number, since it uses less digits than its factorization.

52255778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19668.

The product of its digits is 196000, while the sum is 41.

The square root of 52255778 is about 7228.8158089690. The cubic root of 52255778 is about 373.8620984914.

The spelling of 52255778 in words is "fifty-two million, two hundred fifty-five thousand, seven hundred seventy-eight".