53953731 has 12 divisors (see below), whose sum is σ = 83928208. Its totient is φ = 33202224.

The previous prime is 53953723. The next prime is 53953741. The reversal of 53953731 is 13735935.

It is a happy number.

53953731 is a `hidden beast` number, since 539 + 53 + 73 + 1 = 666.

53953731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53953731 - 2³ = 53953723 is a prime.

It is a super-2 number, since 2×53953731² = 5822010177640722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53953721) 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 11 ways as a sum of consecutive naturals, for example, 230455 + ... + 230688.

Almost surely, 2^53953731 is an apocalyptic number.

53953731 is a deficient number, since it is larger than the sum of its proper divisors (29974477).

53953731 is a wasteful number, since it uses less digits than its factorization.

53953731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461162 (or 461159 counting only the distinct ones).

The product of its digits is 42525, while the sum is 36.

The square root of 53953731 is about 7345.3203469964. The cubic root of 53953731 is about 377.8683298856.

The spelling of 53953731 in words is "fifty-three million, nine hundred fifty-three thousand, seven hundred thirty-one".