54254587019 has 4 divisors (see below), whose sum is σ = 54348616344. Its totient is φ = 54160557696.

The previous prime is 54254587007. The next prime is 54254587031. The reversal of 54254587019 is 91078545245.

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 (54254587007) and next prime (54254587031).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54254587019 is a prime.

It is a super-2 number, since 2×54254587019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54254587619) 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 3 ways as a sum of consecutive naturals, for example, 47013797 + ... + 47014950.

It is an arithmetic number, because the mean of its divisors is an integer number (13587154086).

Almost surely, 2^54254587019 is an apocalyptic number.

54254587019 is a deficient number, since it is larger than the sum of its proper divisors (94029325).

54254587019 is an equidigital number, since it uses as much as digits as its factorization.

54254587019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94029324.

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 54254587019 in words is "fifty-four billion, two hundred fifty-four million, five hundred eighty-seven thousand, nineteen".