54250724839 has 4 divisors (see below), whose sum is σ = 54494001856. Its totient is φ = 54007447824.

The previous prime is 54250724777. The next prime is 54250724861. The reversal of 54250724839 is 93842705245.

It is a happy number.

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 54250724839 - 2⁹ = 54250724327 is a prime.

It is a super-2 number, since 2×54250724839² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54250724792 and 54250724801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54250704839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121638174 + ... + 121638619.

It is an arithmetic number, because the mean of its divisors is an integer number (13623500464).

Almost surely, 2^54250724839 is an apocalyptic number.

54250724839 is a deficient number, since it is larger than the sum of its proper divisors (243277017).

54250724839 is a wasteful number, since it uses less digits than its factorization.

54250724839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243277016.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 54250724839 in words is "fifty-four billion, two hundred fifty million, seven hundred twenty-four thousand, eight hundred thirty-nine".