52274280 has 32 divisors (see below), whose sum is σ = 156823200. Its totient is φ = 13939776.

The previous prime is 52274273. The next prime is 52274309. The reversal of 52274280 is 8247225.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217690 + ... + 217929.

It is an arithmetic number, because the mean of its divisors is an integer number (4900725).

Almost surely, 2^52274280 is an apocalyptic number.

It is an amenable number.

52274280 is an abundant number, since it is smaller than the sum of its proper divisors (104548920).

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

52274280 is a wasteful number, since it uses less digits than its factorization.

52274280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435633 (or 435629 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 52274280 is about 7230.0954350548. The cubic root of 52274280 is about 373.9062172510.

The spelling of 52274280 in words is "fifty-two million, two hundred seventy-four thousand, two hundred eighty".