54357646991 has 8 divisors (see below), whose sum is σ = 57312852480. Its totient is φ = 51411869208.

The previous prime is 54357646979. The next prime is 54357647017. The reversal of 54357646991 is 19964675345.

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 54357646991 - 2²² = 54353452687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54357646991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54357648991) 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, 2345081 + ... + 2368146.

It is an arithmetic number, because the mean of its divisors is an integer number (7164106560).

Almost surely, 2^54357646991 is an apocalyptic number.

54357646991 is a deficient number, since it is larger than the sum of its proper divisors (2955205489).

54357646991 is a wasteful number, since it uses less digits than its factorization.

54357646991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713853.

The product of its digits is 24494400, while the sum is 59.

The spelling of 54357646991 in words is "fifty-four billion, three hundred fifty-seven million, six hundred forty-six thousand, nine hundred ninety-one".