54711309 has 4 divisors (see below), whose sum is σ = 72948416. Its totient is φ = 36474204.

The previous prime is 54711301. The next prime is 54711331. The reversal of 54711309 is 90311745.

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 54711309 - 2³ = 54711301 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 (54711301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9118549 + ... + 9118554.

It is an arithmetic number, because the mean of its divisors is an integer number (18237104).

Almost surely, 2^54711309 is an apocalyptic number.

It is an amenable number.

54711309 is a deficient number, since it is larger than the sum of its proper divisors (18237107).

54711309 is a wasteful number, since it uses less digits than its factorization.

54711309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18237106.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 54711309 is about 7396.7093359142. The cubic root of 54711309 is about 379.6286977948.

The spelling of 54711309 in words is "fifty-four million, seven hundred eleven thousand, three hundred nine".