54872942 has 4 divisors (see below), whose sum is σ = 82309416. Its totient is φ = 27436470.

The previous prime is 54872929. The next prime is 54872999. The reversal of 54872942 is 24927845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24927845 = 5 ⋅4985569.

It is a super-2 number, since 2×54872942² = 6022079527470728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54872942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13718234 + ... + 13718237.

It is an arithmetic number, because the mean of its divisors is an integer number (20577354).

Almost surely, 2^54872942 is an apocalyptic number.

54872942 is a deficient number, since it is larger than the sum of its proper divisors (27436474).

54872942 is a wasteful number, since it uses less digits than its factorization.

54872942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27436473.

The product of its digits is 161280, while the sum is 41.

The square root of 54872942 is about 7407.6272854403. The cubic root of 54872942 is about 380.0021745028.

The spelling of 54872942 in words is "fifty-four million, eight hundred seventy-two thousand, nine hundred forty-two".