54064739 has 4 divisors (see below), whose sum is σ = 54104520. Its totient is φ = 54024960.

The previous prime is 54064693. The next prime is 54064757. The reversal of 54064739 is 93746045.

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 54064739 - 2¹⁶ = 53999203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54066739) 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, 17777 + ... + 20594.

It is an arithmetic number, because the mean of its divisors is an integer number (13526130).

Almost surely, 2^54064739 is an apocalyptic number.

54064739 is a deficient number, since it is larger than the sum of its proper divisors (39781).

54064739 is a wasteful number, since it uses less digits than its factorization.

54064739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39780.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 54064739 is about 7352.8728399177. The cubic root of 54064739 is about 378.1273028478.

The spelling of 54064739 in words is "fifty-four million, sixty-four thousand, seven hundred thirty-nine".