83992553 has 8 divisors (see below), whose sum is σ = 86475840. Its totient is φ = 81520560.

The previous prime is 83992549. The next prime is 83992567. The reversal of 83992553 is 35529938.

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 83992553 - 2² = 83992549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83992543) 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, 13658 + ... + 18828.

It is an arithmetic number, because the mean of its divisors is an integer number (10809480).

Almost surely, 2^83992553 is an apocalyptic number.

It is an amenable number.

83992553 is a deficient number, since it is larger than the sum of its proper divisors (2483287).

83992553 is a wasteful number, since it uses less digits than its factorization.

83992553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647.

The product of its digits is 291600, while the sum is 44.

The square root of 83992553 is about 9164.7451137498. The cubic root of 83992553 is about 437.9389714321.

The spelling of 83992553 in words is "eighty-three million, nine hundred ninety-two thousand, five hundred fifty-three".