54033635991 has 8 divisors (see below), whose sum is σ = 72406883200. Its totient is φ = 35841406392.

The previous prime is 54033635959. The next prime is 54033636011. The reversal of 54033635991 is 19953633045.

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

It is not a de Polignac number, because 54033635991 - 2⁵ = 54033635959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54033635991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54033635191) 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, 45253705 + ... + 45254898.

It is an arithmetic number, because the mean of its divisors is an integer number (9050860400).

Almost surely, 2^54033635991 is an apocalyptic number.

54033635991 is a deficient number, since it is larger than the sum of its proper divisors (18373247209).

54033635991 is a wasteful number, since it uses less digits than its factorization.

54033635991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90508805.

The product of its (nonzero) digits is 1312200, while the sum is 48.

The spelling of 54033635991 in words is "fifty-four billion, thirty-three million, six hundred thirty-five thousand, nine hundred ninety-one".