54259919 has 8 divisors (see below), whose sum is σ = 62141568. Its totient is φ = 46410840.

The previous prime is 54259897. The next prime is 54259943. The reversal of 54259919 is 91995245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54259919 - 2¹⁶ = 54194383 is a prime.

It is a super-2 number, since 2×54259919² = 5888277619773122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54259919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54259819) 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 7 ways as a sum of consecutive naturals, for example, 4457 + ... + 11330.

It is an arithmetic number, because the mean of its divisors is an integer number (7767696).

Almost surely, 2^54259919 is an apocalyptic number.

54259919 is a deficient number, since it is larger than the sum of its proper divisors (7881649).

54259919 is a wasteful number, since it uses less digits than its factorization.

54259919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16285.

The product of its digits is 145800, while the sum is 44.

The square root of 54259919 is about 7366.1332461475. The cubic root of 54259919 is about 378.5817842325.

The spelling of 54259919 in words is "fifty-four million, two hundred fifty-nine thousand, nine hundred nineteen".