53817638 has 8 divisors (see below), whose sum is σ = 92258832. Its totient is φ = 23064696.

The previous prime is 53817623. The next prime is 53817697. The reversal of 53817638 is 83671835.

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

It is a junction number, because it is equal to n+sod(n) for n = 53817595 and 53817604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1922045 + ... + 1922072.

It is an arithmetic number, because the mean of its divisors is an integer number (11532354).

Almost surely, 2^53817638 is an apocalyptic number.

53817638 is a deficient number, since it is larger than the sum of its proper divisors (38441194).

53817638 is a wasteful number, since it uses less digits than its factorization.

53817638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844126.

The product of its digits is 120960, while the sum is 41.

The square root of 53817638 is about 7336.0505723448. The cubic root of 53817638 is about 377.5503504321.

The spelling of 53817638 in words is "fifty-three million, eight hundred seventeen thousand, six hundred thirty-eight".