33053980 has 24 divisors (see below), whose sum is σ = 70725312. Its totient is φ = 12971712.

The previous prime is 33053963. The next prime is 33053989. The reversal of 33053980 is 8935033.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33053989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14532 + ... + 16651.

It is an arithmetic number, because the mean of its divisors is an integer number (2946888).

Almost surely, 2^33053980 is an apocalyptic number.

It is an amenable number.

33053980 is an abundant number, since it is smaller than the sum of its proper divisors (37671332).

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

33053980 is a wasteful number, since it uses less digits than its factorization.

33053980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31245 (or 31243 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 33053980 is about 5749.2590826993. The cubic root of 33053980 is about 320.9282293454.

The spelling of 33053980 in words is "thirty-three million, fifty-three thousand, nine hundred eighty".