53815982 has 32 divisors (see below), whose sum is σ = 95787360. Its totient is φ = 22394880.

The previous prime is 53815981. The next prime is 53815991. The reversal of 53815982 is 28951835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53815981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11894 + ... + 15782.

It is an arithmetic number, because the mean of its divisors is an integer number (2993355).

Almost surely, 2^53815982 is an apocalyptic number.

53815982 is a deficient number, since it is larger than the sum of its proper divisors (41971378).

53815982 is a wasteful number, since it uses less digits than its factorization.

53815982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956.

The product of its digits is 86400, while the sum is 41.

The square root of 53815982 is about 7335.9377042066. The cubic root of 53815982 is about 377.5464779111.

The spelling of 53815982 in words is "fifty-three million, eight hundred fifteen thousand, nine hundred eighty-two".