53689415 has 8 divisors (see below), whose sum is σ = 69383328. Its totient is φ = 39647520.

The previous prime is 53689399. The next prime is 53689453. The reversal of 53689415 is 51498635.

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

It is not a de Polignac number, because 53689415 - 2⁴ = 53689399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412931 + ... + 413060.

It is an arithmetic number, because the mean of its divisors is an integer number (8672916).

Almost surely, 2^53689415 is an apocalyptic number.

53689415 is a deficient number, since it is larger than the sum of its proper divisors (15693913).

53689415 is a wasteful number, since it uses less digits than its factorization.

53689415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826009.

The product of its digits is 129600, while the sum is 41.

The square root of 53689415 is about 7327.3061216248. The cubic root of 53689415 is about 377.2502682892.

The spelling of 53689415 in words is "fifty-three million, six hundred eighty-nine thousand, four hundred fifteen".