54376552991 has 4 divisors (see below), whose sum is σ = 54382421184. Its totient is φ = 54370684800.

The previous prime is 54376552973. The next prime is 54376552999. The reversal of 54376552991 is 19925567345.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54376552991 - 2⁶ = 54376552927 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 (54376552999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2920175 + ... + 2938736.

It is an arithmetic number, because the mean of its divisors is an integer number (13595605296).

Almost surely, 2^54376552991 is an apocalyptic number.

54376552991 is a deficient number, since it is larger than the sum of its proper divisors (5868193).

54376552991 is an equidigital number, since it uses as much as digits as its factorization.

54376552991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5868192.

The product of its digits is 10206000, while the sum is 56.

The spelling of 54376552991 in words is "fifty-four billion, three hundred seventy-six million, five hundred fifty-two thousand, nine hundred ninety-one".