53138017583 has 8 divisors (see below), whose sum is σ = 61080199968. Its totient is φ = 45283594464.

The previous prime is 53138017579. The next prime is 53138017589. The reversal of 53138017583 is 38571083135.

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

It is a cyclic number.

It is not a de Polignac number, because 53138017583 - 2² = 53138017579 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 (53138017589) 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, 21938516 + ... + 21940937.

It is an arithmetic number, because the mean of its divisors is an integer number (7635024996).

Almost surely, 2^53138017583 is an apocalyptic number.

53138017583 is a deficient number, since it is larger than the sum of its proper divisors (7942182385).

53138017583 is a wasteful number, since it uses less digits than its factorization.

53138017583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43879633.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 53138017583 in words is "fifty-three billion, one hundred thirty-eight million, seventeen thousand, five hundred eighty-three".