52780760 has 32 divisors (see below), whose sum is σ = 119275200. Its totient is φ = 21020160.

The previous prime is 52780747. The next prime is 52780781. The reversal of 52780760 is 6708725.

It is a self number, because there is not a number n which added to its sum of digits gives 52780760.

It is a congruent number.

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, 6800 + ... + 12320.

It is an arithmetic number, because the mean of its divisors is an integer number (3727350).

Almost surely, 2^52780760 is an apocalyptic number.

It is an amenable number.

52780760 is an abundant number, since it is smaller than the sum of its proper divisors (66494440).

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

52780760 is a wasteful number, since it uses less digits than its factorization.

52780760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771 (or 5767 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 52780760 is about 7265.0368202783. The cubic root of 52780760 is about 375.1099174083.

The spelling of 52780760 in words is "fifty-two million, seven hundred eighty thousand, seven hundred sixty".