54807719 has 4 divisors (see below), whose sum is σ = 55037280. Its totient is φ = 54578160.

The previous prime is 54807703. The next prime is 54807733. The reversal of 54807719 is 91770845.

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

It is a cyclic number.

It is not a de Polignac number, because 54807719 - 2⁴ = 54807703 is a prime.

It is a super-2 number, since 2×54807719² = 6007772123965922, 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 (54807749) 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, 114422 + ... + 114899.

It is an arithmetic number, because the mean of its divisors is an integer number (13759320).

Almost surely, 2^54807719 is an apocalyptic number.

54807719 is a deficient number, since it is larger than the sum of its proper divisors (229561).

54807719 is a wasteful number, since it uses less digits than its factorization.

54807719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229560.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 54807719 is about 7403.2235546416. The cubic root of 54807719 is about 379.8515555922.

The spelling of 54807719 in words is "fifty-four million, eight hundred seven thousand, seven hundred nineteen".