54192909 has 16 divisors (see below), whose sum is σ = 74980800. Its totient is φ = 34774656.

The previous prime is 54192907. The next prime is 54192917. The reversal of 54192909 is 90929145.

It is not a de Polignac number, because 54192909 - 2¹ = 54192907 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54192907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34822 + ... + 36344.

It is an arithmetic number, because the mean of its divisors is an integer number (4686300).

Almost surely, 2^54192909 is an apocalyptic number.

It is an amenable number.

54192909 is a deficient number, since it is larger than the sum of its proper divisors (20787891).

54192909 is a wasteful number, since it uses less digits than its factorization.

54192909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 54192909 is about 7361.5833215416. The cubic root of 54192909 is about 378.4258728568.

It can be divided in two parts, 5 and 4192909, that added together give a palindrome (4192914).

The spelling of 54192909 in words is "fifty-four million, one hundred ninety-two thousand, nine hundred nine".