52780680 has 64 divisors (see below), whose sum is σ = 175939200. Its totient is φ = 14074560.

The previous prime is 52780669. The next prime is 52780697. The reversal of 52780680 is 8608725.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23356 + ... + 25515.

It is an arithmetic number, because the mean of its divisors is an integer number (2749050).

Almost surely, 2^52780680 is an apocalyptic number.

It is an amenable number.

52780680 is an abundant number, since it is smaller than the sum of its proper divisors (123158520).

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

52780680 is a wasteful number, since it uses less digits than its factorization.

52780680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48891 (or 48881 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 52780680 is about 7265.0313144542. The cubic root of 52780680 is about 375.1097278896.

The spelling of 52780680 in words is "fifty-two million, seven hundred eighty thousand, six hundred eighty".