54797049291 has 4 divisors (see below), whose sum is σ = 73062732392. Its totient is φ = 36531366192.

The previous prime is 54797049289. The next prime is 54797049299. The reversal of 54797049291 is 19294079745.

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

It is not a de Polignac number, because 54797049291 - 2¹ = 54797049289 is a prime.

It is a super-2 number, since 2×54797049291² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54797049299) 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, 9132841546 + ... + 9132841551.

It is an arithmetic number, because the mean of its divisors is an integer number (18265683098).

Almost surely, 2^54797049291 is an apocalyptic number.

54797049291 is a deficient number, since it is larger than the sum of its proper divisors (18265683101).

54797049291 is a wasteful number, since it uses less digits than its factorization.

54797049291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18265683100.

The product of its (nonzero) digits is 5715360, while the sum is 57.

The spelling of 54797049291 in words is "fifty-four billion, seven hundred ninety-seven million, forty-nine thousand, two hundred ninety-one".