54349999 has 4 divisors (see below), whose sum is σ = 59290920. Its totient is φ = 49409080.

The previous prime is 54349987. The next prime is 54350011. The reversal of 54349999 is 99994345.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (54349987) and next prime (54350011).

It is a cyclic number.

It is not a de Polignac number, because 54349999 - 2⁷ = 54349871 is a prime.

It is a Duffinian number.

54349999 is a modest number, since divided by 9999 gives 5434 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54349909) 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, 2470444 + ... + 2470465.

It is an arithmetic number, because the mean of its divisors is an integer number (14822730).

Almost surely, 2^54349999 is an apocalyptic number.

54349999 is a deficient number, since it is larger than the sum of its proper divisors (4940921).

54349999 is a wasteful number, since it uses less digits than its factorization.

54349999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4940920.

The product of its digits is 1574640, while the sum is 52.

The square root of 54349999 is about 7372.2451804047. The cubic root of 54349999 is about 378.7911701735.

It can be divided in two parts, 54 and 349999, that added together give a palindrome (350053).

The spelling of 54349999 in words is "fifty-four million, three hundred forty-nine thousand, nine hundred ninety-nine".