54752220391 has 4 divisors (see below), whose sum is σ = 59729694984. Its totient is φ = 49774745800.

The previous prime is 54752220389. The next prime is 54752220401. The reversal of 54752220391 is 19302225745.

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 54752220391 - 2¹ = 54752220389 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 (54752220361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2488737280 + ... + 2488737301.

It is an arithmetic number, because the mean of its divisors is an integer number (14932423746).

Almost surely, 2^54752220391 is an apocalyptic number.

54752220391 is a deficient number, since it is larger than the sum of its proper divisors (4977474593).

54752220391 is a wasteful number, since it uses less digits than its factorization.

54752220391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977474592.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 54752220391 in words is "fifty-four billion, seven hundred fifty-two million, two hundred twenty thousand, three hundred ninety-one".