54722289 has 4 divisors (see below), whose sum is σ = 72963056. Its totient is φ = 36481524.

The previous prime is 54722287. The next prime is 54722293. The reversal of 54722289 is 98222745.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54722289 - 2¹ = 54722287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54722281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9120379 + ... + 9120384.

It is an arithmetic number, because the mean of its divisors is an integer number (18240764).

Almost surely, 2^54722289 is an apocalyptic number.

It is an amenable number.

54722289 is a deficient number, since it is larger than the sum of its proper divisors (18240767).

54722289 is a wasteful number, since it uses less digits than its factorization.

54722289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18240766.

The product of its digits is 80640, while the sum is 39.

The square root of 54722289 is about 7397.4515206252. The cubic root of 54722289 is about 379.6540919614.

The spelling of 54722289 in words is "fifty-four million, seven hundred twenty-two thousand, two hundred eighty-nine".