65057982 has 32 divisors (see below), whose sum is σ = 142318080. Its totient is φ = 19662720.

The previous prime is 65057969. The next prime is 65058017. The reversal of 65057982 is 28975056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29494 + ... + 31622.

It is an arithmetic number, because the mean of its divisors is an integer number (4447440).

Almost surely, 2^65057982 is an apocalyptic number.

65057982 is an abundant number, since it is smaller than the sum of its proper divisors (77260098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65057982 is a wasteful number, since it uses less digits than its factorization.

65057982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 65057982 is about 8065.8528377351. The cubic root of 65057982 is about 402.1920940310.

The spelling of 65057982 in words is "sixty-five million, fifty-seven thousand, nine hundred eighty-two".