52963140 has 24 divisors (see below), whose sum is σ = 148296960. Its totient is φ = 14123488.

The previous prime is 52963139. The next prime is 52963151. The reversal of 52963140 is 4136925.

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

It is a junction number, because it is equal to n+sod(n) for n = 52963098 and 52963107.

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, 441300 + ... + 441419.

It is an arithmetic number, because the mean of its divisors is an integer number (6179040).

Almost surely, 2^52963140 is an apocalyptic number.

It is an amenable number.

52963140 is an abundant number, since it is smaller than the sum of its proper divisors (95333820).

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

52963140 is a wasteful number, since it uses less digits than its factorization.

52963140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882731 (or 882729 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 52963140 is about 7277.5778937776. The cubic root of 52963140 is about 375.5414755461.

The spelling of 52963140 in words is "fifty-two million, nine hundred sixty-three thousand, one hundred forty".