54389667 has 16 divisors (see below), whose sum is σ = 74977952. Its totient is φ = 35043840.

The previous prime is 54389639. The next prime is 54389689. The reversal of 54389667 is 76698345.

It is not a de Polignac number, because 54389667 - 2²⁰ = 53341091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54389617) 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 15 ways as a sum of consecutive naturals, for example, 15867 + ... + 18987.

It is an arithmetic number, because the mean of its divisors is an integer number (4686122).

Almost surely, 2^54389667 is an apocalyptic number.

54389667 is a deficient number, since it is larger than the sum of its proper divisors (20588285).

54389667 is a wasteful number, since it uses less digits than its factorization.

54389667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318.

The product of its digits is 1088640, while the sum is 48.

The square root of 54389667 is about 7374.9350505615. The cubic root of 54389667 is about 378.8833028584.

The spelling of 54389667 in words is "fifty-four million, three hundred eighty-nine thousand, six hundred sixty-seven".