52802278 has 4 divisors (see below), whose sum is σ = 79203420. Its totient is φ = 26401138.

The previous prime is 52802263. The next prime is 52802297. The reversal of 52802278 is 87220825.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13200568 + ... + 13200571.

It is an arithmetic number, because the mean of its divisors is an integer number (19800855).

Almost surely, 2^52802278 is an apocalyptic number.

52802278 is a deficient number, since it is larger than the sum of its proper divisors (26401142).

52802278 is a wasteful number, since it uses less digits than its factorization.

52802278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26401141.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 52802278 is about 7266.5175978594. The cubic root of 52802278 is about 375.1608862244.

The spelling of 52802278 in words is "fifty-two million, eight hundred two thousand, two hundred seventy-eight".