52456280 has 16 divisors (see below), whose sum is σ = 118026720. Its totient is φ = 20982496.

The previous prime is 52456241. The next prime is 52456289. The reversal of 52456280 is 8265425.

It is a super-2 number, since 2×52456280² = 5503322622876800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52456289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655664 + ... + 655743.

It is an arithmetic number, because the mean of its divisors is an integer number (7376670).

Almost surely, 2^52456280 is an apocalyptic number.

It is an amenable number.

52456280 is an abundant number, since it is smaller than the sum of its proper divisors (65570440).

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

52456280 is a wasteful number, since it uses less digits than its factorization.

52456280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311418 (or 1311414 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 52456280 is about 7242.6707781039. The cubic root of 52456280 is about 374.3396497010.

The spelling of 52456280 in words is "fifty-two million, four hundred fifty-six thousand, two hundred eighty".