53705860 has 48 divisors (see below), whose sum is σ = 123310656. Its totient is φ = 19527552.

The previous prime is 53705843. The next prime is 53705867. The reversal of 53705860 is 6850735.

It is a happy number.

53705860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53705867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15879 + ... + 18961.

It is an arithmetic number, because the mean of its divisors is an integer number (2568972).

Almost surely, 2^53705860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53705860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61655328).

53705860 is an abundant number, since it is smaller than the sum of its proper divisors (69604796).

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

53705860 is a wasteful number, since it uses less digits than its factorization.

53705860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172 (or 3170 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 53705860 is about 7328.4282080130. The cubic root of 53705860 is about 377.2887814508.

The spelling of 53705860 in words is "fifty-three million, seven hundred five thousand, eight hundred sixty".