52457860 has 192 divisors, whose sum is σ = 150151680. Its totient is φ = 14929920.

The previous prime is 52457857. The next prime is 52457929. The reversal of 52457860 is 6875425.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1279440 + ... + 1279480.

It is an arithmetic number, because the mean of its divisors is an integer number (782040).

Almost surely, 2^52457860 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 52457860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75075840).

52457860 is an abundant number, since it is smaller than the sum of its proper divisors (97693820).

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

52457860 is a wasteful number, since it uses less digits than its factorization.

52457860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 52457860 is about 7242.7798530675. The cubic root of 52457860 is about 374.3434080735.

The spelling of 52457860 in words is "fifty-two million, four hundred fifty-seven thousand, eight hundred sixty".