33953976056 has 64 divisors (see below), whose sum is σ = 85478561280. Its totient is φ = 12211217280.

The previous prime is 33953976031. The next prime is 33953976071. The reversal of 33953976056 is 65067935933.

It is a super-2 number, since 2×33953976056² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 33953975992 and 33953976010.

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, 2111996 + ... + 2128011.

It is an arithmetic number, because the mean of its divisors is an integer number (1335602520).

Almost surely, 2^33953976056 is an apocalyptic number.

It is an amenable number.

33953976056 is an abundant number, since it is smaller than the sum of its proper divisors (51524585224).

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

33953976056 is a wasteful number, since it uses less digits than its factorization.

33953976056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240044 (or 4240040 counting only the distinct ones).

The product of its (nonzero) digits is 13778100, while the sum is 56.

The spelling of 33953976056 in words is "thirty-three billion, nine hundred fifty-three million, nine hundred seventy-six thousand, fifty-six".