65424556 has 12 divisors (see below), whose sum is σ = 114885792. Its totient is φ = 32600048.

The previous prime is 65424553. The next prime is 65424589. The reversal of 65424556 is 65542456.

It is not an unprimeable number, because it can be changed into a prime (65424553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26740 + ... + 29083.

It is an arithmetic number, because the mean of its divisors is an integer number (9573816).

Almost surely, 2^65424556 is an apocalyptic number.

It is an amenable number.

65424556 is a deficient number, since it is larger than the sum of its proper divisors (49461236).

65424556 is a wasteful number, since it uses less digits than its factorization.

65424556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56120 (or 56118 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 65424556 is about 8088.5447393212. The cubic root of 65424556 is about 402.9460733586.

The spelling of 65424556 in words is "sixty-five million, four hundred twenty-four thousand, five hundred fifty-six".