65803056 has 80 divisors (see below), whose sum is σ = 196380288. Its totient is φ = 18764800.

The previous prime is 65803043. The next prime is 65803081. The reversal of 65803056 is 65030856.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 5311 + ... + 12641.

Almost surely, 2^65803056 is an apocalyptic number.

65803056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65803056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98190144).

65803056 is an abundant number, since it is smaller than the sum of its proper divisors (130577232).

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

65803056 is a wasteful number, since it uses less digits than its factorization.

65803056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370 (or 7364 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 65803056 is about 8111.9082835052. The cubic root of 65803056 is about 403.7216328992.

The spelling of 65803056 in words is "sixty-five million, eight hundred three thousand, fifty-six".