83281056 has 24 divisors (see below), whose sum is σ = 218613024. Its totient is φ = 27760320.

The previous prime is 83281049. The next prime is 83281057. The reversal of 83281056 is 65018238.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (83281057) 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, 433660 + ... + 433851.

It is an arithmetic number, because the mean of its divisors is an integer number (9108876).

Almost surely, 2^83281056 is an apocalyptic number.

It is an amenable number.

83281056 is an abundant number, since it is smaller than the sum of its proper divisors (135331968).

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

83281056 is a wasteful number, since it uses less digits than its factorization.

83281056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867524 (or 867516 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 83281056 is about 9125.8454950761. The cubic root of 83281056 is about 436.6988763478.

The spelling of 83281056 in words is "eighty-three million, two hundred eighty-one thousand, fifty-six".