53842978 has 16 divisors (see below), whose sum is σ = 97732224. Its totient is φ = 21718080.

The previous prime is 53842969. The next prime is 53842991. The reversal of 53842978 is 87924835.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112878 + ... + 113353.

It is an arithmetic number, because the mean of its divisors is an integer number (6108264).

Almost surely, 2^53842978 is an apocalyptic number.

53842978 is a deficient number, since it is larger than the sum of its proper divisors (43889246).

53842978 is a wasteful number, since it uses less digits than its factorization.

53842978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226257.

The product of its digits is 483840, while the sum is 46.

The square root of 53842978 is about 7337.7774564237. Note that the first 3 decimals coincide. The cubic root of 53842978 is about 377.6095975803.

The spelling of 53842978 in words is "fifty-three million, eight hundred forty-two thousand, nine hundred seventy-eight".