53856724 has 12 divisors (see below), whose sum is σ = 94504564. Its totient is φ = 26855424.

The previous prime is 53856707. The next prime is 53856727. The reversal of 53856724 is 42765835.

It can be written as a sum of positive squares in 2 ways, for example, as 18215824 + 35640900 = 4268^2 + 5970^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53856727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16557 + ... + 19540.

Almost surely, 2^53856724 is an apocalyptic number.

It is an amenable number.

53856724 is a deficient number, since it is larger than the sum of its proper divisors (40647840).

53856724 is a wasteful number, since it uses less digits than its factorization.

53856724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36474 (or 36472 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 53856724 is about 7338.7140562908. The cubic root of 53856724 is about 377.6417291603.

The spelling of 53856724 in words is "fifty-three million, eight hundred fifty-six thousand, seven hundred twenty-four".