53840680 has 32 divisors (see below), whose sum is σ = 127519200. Its totient is φ = 20402496.

The previous prime is 53840671. The next prime is 53840681. The reversal of 53840680 is 8604835.

It is not an unprimeable number, because it can be changed into a prime (53840681) 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, 34662 + ... + 36181.

It is an arithmetic number, because the mean of its divisors is an integer number (3984975).

Almost surely, 2^53840680 is an apocalyptic number.

It is an amenable number.

53840680 is an abundant number, since it is smaller than the sum of its proper divisors (73678520).

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

53840680 is a wasteful number, since it uses less digits than its factorization.

53840680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70873 (or 70869 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 53840680 is about 7337.6208678290. The cubic root of 53840680 is about 377.6042254207.

The spelling of 53840680 in words is "fifty-three million, eight hundred forty thousand, six hundred eighty".