54451719 has 24 divisors (see below), whose sum is σ = 90145952. Its totient is φ = 31026240.

The previous prime is 54451699. The next prime is 54451729. The reversal of 54451719 is 91715445.

It is not a de Polignac number, because 54451719 - 2⁵ = 54451687 is a prime.

It is a super-2 number, since 2×54451719² = 5929979404109922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54451729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25497 + ... + 27549.

Almost surely, 2^54451719 is an apocalyptic number.

54451719 is a deficient number, since it is larger than the sum of its proper divisors (35694233).

54451719 is a wasteful number, since it uses less digits than its factorization.

54451719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487 (or 2484 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 54451719 is about 7379.1408036437. The cubic root of 54451719 is about 379.0273346988.

The spelling of 54451719 in words is "fifty-four million, four hundred fifty-one thousand, seven hundred nineteen".