53720712 has 32 divisors (see below), whose sum is σ = 149224800. Its totient is φ = 17906832.

The previous prime is 53720677. The next prime is 53720743. The reversal of 53720712 is 21702735.

53720712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 124138 + ... + 124569.

It is an arithmetic number, because the mean of its divisors is an integer number (4663275).

Almost surely, 2^53720712 is an apocalyptic number.

It is an amenable number.

53720712 is an abundant number, since it is smaller than the sum of its proper divisors (95504088).

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

53720712 is a wasteful number, since it uses less digits than its factorization.

53720712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248722 (or 248712 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 53720712 is about 7329.4414521163. The cubic root of 53720712 is about 377.3235571502.

The spelling of 53720712 in words is "fifty-three million, seven hundred twenty thousand, seven hundred twelve".