53869635 has 12 divisors (see below), whose sum is σ = 93374112. Its totient is φ = 28730448.

The previous prime is 53869631. The next prime is 53869639. The reversal of 53869635 is 53696835.

53869635 is a `hidden beast` number, since 5 + 3 + 8 + 6 + 9 + 635 = 666.

It is an interprime number because it is at equal distance from previous prime (53869631) and next prime (53869639).

It is not a de Polignac number, because 53869635 - 2² = 53869631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1197103 = 53869635 / (5 + 3 + 8 + 6 + 9 + 6 + 3 + 5).

It is not an unprimeable number, because it can be changed into a prime (53869631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 598507 + ... + 598596.

It is an arithmetic number, because the mean of its divisors is an integer number (7781176).

Almost surely, 2^53869635 is an apocalyptic number.

53869635 is a deficient number, since it is larger than the sum of its proper divisors (39504477).

53869635 is a wasteful number, since it uses less digits than its factorization.

53869635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197114 (or 1197111 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 53869635 is about 7339.5936536024. The cubic root of 53869635 is about 377.6719039304.

The spelling of 53869635 in words is "fifty-three million, eight hundred sixty-nine thousand, six hundred thirty-five".