54797646511 has 4 divisors (see below), whose sum is σ = 54798425712. Its totient is φ = 54796867312.

The previous prime is 54797646509. The next prime is 54797646571. The reversal of 54797646511 is 11564679745.

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 54797646511 - 2¹ = 54797646509 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 (54797646571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272350 + ... + 428683.

It is an arithmetic number, because the mean of its divisors is an integer number (13699606428).

Almost surely, 2^54797646511 is an apocalyptic number.

54797646511 is a deficient number, since it is larger than the sum of its proper divisors (779201).

54797646511 is an equidigital number, since it uses as much as digits as its factorization.

54797646511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779200.

The product of its digits is 6350400, while the sum is 55.

The spelling of 54797646511 in words is "fifty-four billion, seven hundred ninety-seven million, six hundred forty-six thousand, five hundred eleven".