54368939 has 4 divisors (see below), whose sum is σ = 56243760. Its totient is φ = 52494120.

The previous prime is 54368927. The next prime is 54368953. The reversal of 54368939 is 93986345.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93986345 = 5 ⋅18797269.

It is a cyclic number.

It is not a de Polignac number, because 54368939 - 2⁸ = 54368683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54368893 and 54368902.

It is not an unprimeable number, because it can be changed into a prime (54368999) 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, 937367 + ... + 937424.

It is an arithmetic number, because the mean of its divisors is an integer number (14060940).

Almost surely, 2^54368939 is an apocalyptic number.

54368939 is a deficient number, since it is larger than the sum of its proper divisors (1874821).

54368939 is a wasteful number, since it uses less digits than its factorization.

54368939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874820.

The product of its digits is 699840, while the sum is 47.

The square root of 54368939 is about 7373.5296161336. The cubic root of 54368939 is about 378.8351657066.

The spelling of 54368939 in words is "fifty-four million, three hundred sixty-eight thousand, nine hundred thirty-nine".