55454719 has 8 divisors (see below), whose sum is σ = 55987632. Its totient is φ = 54924480.

The previous prime is 55454713. The next prime is 55454741. The reversal of 55454719 is 91745455.

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

It is not a de Polignac number, because 55454719 - 2⁵ = 55454687 is a prime.

It is a super-2 number, since 2×55454719² = 6150451718737922, 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 (55454713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84597 + ... + 85249.

It is an arithmetic number, because the mean of its divisors is an integer number (6998454).

Almost surely, 2^55454719 is an apocalyptic number.

55454719 is a deficient number, since it is larger than the sum of its proper divisors (532913).

55454719 is a wasteful number, since it uses less digits than its factorization.

55454719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337.

The product of its digits is 126000, while the sum is 40.

The square root of 55454719 is about 7446.7925310163. The cubic root of 55454719 is about 381.3404162872.

The spelling of 55454719 in words is "fifty-five million, four hundred fifty-four thousand, seven hundred nineteen".