52705680 has 40 divisors (see below), whose sum is σ = 163388352. Its totient is φ = 14054784.

The previous prime is 52705657. The next prime is 52705687. The reversal of 52705680 is 8650725.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (52705687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109564 + ... + 110043.

Almost surely, 2^52705680 is an apocalyptic number.

It is an amenable number.

52705680 is an abundant number, since it is smaller than the sum of its proper divisors (110682672).

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

52705680 is a wasteful number, since it uses less digits than its factorization.

52705680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219623 (or 219617 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 52705680 is about 7259.8677673908. The cubic root of 52705680 is about 374.9319698814.

The spelling of 52705680 in words is "fifty-two million, seven hundred five thousand, six hundred eighty".