53985837 has 8 divisors (see below), whose sum is σ = 72073120. Its totient is φ = 35944560.

The previous prime is 53985823. The next prime is 53985857. The reversal of 53985837 is 73858935.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53985837 - 2¹⁴ = 53969453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53985817) 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, 8662 + ... + 13527.

It is an arithmetic number, because the mean of its divisors is an integer number (9009140).

Almost surely, 2^53985837 is an apocalyptic number.

It is an amenable number.

53985837 is a deficient number, since it is larger than the sum of its proper divisors (18087283).

53985837 is a wasteful number, since it uses less digits than its factorization.

53985837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23003.

The product of its digits is 907200, while the sum is 48.

The square root of 53985837 is about 7347.5054950643. The cubic root of 53985837 is about 377.9432671497.

The spelling of 53985837 in words is "fifty-three million, nine hundred eighty-five thousand, eight hundred thirty-seven".