54939446 has 4 divisors (see below), whose sum is σ = 82409172. Its totient is φ = 27469722.

The previous prime is 54939439. The next prime is 54939449. The reversal of 54939446 is 64493945.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64493945 = 5 ⋅12898789.

It is a junction number, because it is equal to n+sod(n) for n = 54939397 and 54939406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54939449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13734860 + ... + 13734863.

It is an arithmetic number, because the mean of its divisors is an integer number (20602293).

Almost surely, 2^54939446 is an apocalyptic number.

54939446 is a deficient number, since it is larger than the sum of its proper divisors (27469726).

54939446 is a wasteful number, since it uses less digits than its factorization.

54939446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27469725.

The product of its digits is 466560, while the sum is 44.

The square root of 54939446 is about 7412.1148129262. The cubic root of 54939446 is about 380.1556287744.

The spelling of 54939446 in words is "fifty-four million, nine hundred thirty-nine thousand, four hundred forty-six".