54680839 has 4 divisors (see below), whose sum is σ = 56014560. Its totient is φ = 53347120.

The previous prime is 54680837. The next prime is 54680851. The reversal of 54680839 is 93808645.

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 54680839 - 2¹ = 54680837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54680795 and 54680804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54680837) 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, 666799 + ... + 666880.

It is an arithmetic number, because the mean of its divisors is an integer number (14003640).

Almost surely, 2^54680839 is an apocalyptic number.

54680839 is a deficient number, since it is larger than the sum of its proper divisors (1333721).

54680839 is a wasteful number, since it uses less digits than its factorization.

54680839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333720.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 54680839 is about 7394.6493493607. The cubic root of 54680839 is about 379.5582100251.

The spelling of 54680839 in words is "fifty-four million, six hundred eighty thousand, eight hundred thirty-nine".