52823220 has 48 divisors (see below), whose sum is σ = 148236480. Its totient is φ = 14054656.

The previous prime is 52823209. The next prime is 52823257. The reversal of 52823220 is 2232825.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40336 + ... + 41624.

It is an arithmetic number, because the mean of its divisors is an integer number (3088260).

Almost surely, 2^52823220 is an apocalyptic number.

It is an amenable number.

52823220 is an abundant number, since it is smaller than the sum of its proper divisors (95413260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52823220 is a wasteful number, since it uses less digits than its factorization.

52823220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984 (or 1982 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 52823220 is about 7267.9584478724. The cubic root of 52823220 is about 375.2104773982.

The spelling of 52823220 in words is "fifty-two million, eight hundred twenty-three thousand, two hundred twenty".