54918839 has 8 divisors (see below), whose sum is σ = 55495440. Its totient is φ = 54345600.

The previous prime is 54918827. The next prime is 54918881. The reversal of 54918839 is 93881945.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54918839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54918793 and 54918802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54938839) 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, 42992 + ... + 44250.

It is an arithmetic number, because the mean of its divisors is an integer number (6936930).

Almost surely, 2^54918839 is an apocalyptic number.

54918839 is a deficient number, since it is larger than the sum of its proper divisors (576601).

54918839 is a wasteful number, since it uses less digits than its factorization.

54918839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681.

The product of its digits is 311040, while the sum is 47.

The square root of 54918839 is about 7410.7245934524. The cubic root of 54918839 is about 380.1080925184.

The spelling of 54918839 in words is "fifty-four million, nine hundred eighteen thousand, eight hundred thirty-nine".