52731456 has 56 divisors (see below), whose sum is σ = 145596864. Its totient is φ = 16811520.

The previous prime is 52731439. The next prime is 52731461. The reversal of 52731456 is 65413725.

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, 1555 + ... + 10386.

It is an arithmetic number, because the mean of its divisors is an integer number (2599944).

Almost surely, 2^52731456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52731456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72798432).

52731456 is an abundant number, since it is smaller than the sum of its proper divisors (92865408).

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

52731456 is a wasteful number, since it uses less digits than its factorization.

52731456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11979 (or 11969 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 52731456 is about 7261.6427893418. The cubic root of 52731456 is about 374.9930807612.

The spelling of 52731456 in words is "fifty-two million, seven hundred thirty-one thousand, four hundred fifty-six".