54909237571 has 4 divisors (see below), whose sum is σ = 54935524600. Its totient is φ = 54882950544.

The previous prime is 54909237547. The next prime is 54909237629. The reversal of 54909237571 is 17573290945.

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 54909237571 - 2¹⁵ = 54909204803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54909237521) 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, 13140381 + ... + 13144558.

It is an arithmetic number, because the mean of its divisors is an integer number (13733881150).

Almost surely, 2^54909237571 is an apocalyptic number.

54909237571 is a deficient number, since it is larger than the sum of its proper divisors (26287029).

54909237571 is a wasteful number, since it uses less digits than its factorization.

54909237571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26287028.

The product of its (nonzero) digits is 2381400, while the sum is 52.

The spelling of 54909237571 in words is "fifty-four billion, nine hundred nine million, two hundred thirty-seven thousand, five hundred seventy-one".