52273140 has 48 divisors (see below), whose sum is σ = 147094080. Its totient is φ = 13870080.

The previous prime is 52273139. The next prime is 52273153. The reversal of 52273140 is 4137225.

It is a self number, because there is not a number n which added to its sum of digits gives 52273140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10596 + ... + 14724.

It is an arithmetic number, because the mean of its divisors is an integer number (3064460).

Almost surely, 2^52273140 is an apocalyptic number.

It is an amenable number.

52273140 is an abundant number, since it is smaller than the sum of its proper divisors (94820940).

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

52273140 is a wasteful number, since it uses less digits than its factorization.

52273140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352 (or 4350 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 52273140 is about 7230.0165974913. The cubic root of 52273140 is about 373.9034991764.

The spelling of 52273140 in words is "fifty-two million, two hundred seventy-three thousand, one hundred forty".