33545025645564 has 24 divisors (see below), whose sum is σ = 82391291059840. Its totient is φ = 10593165993264.

The previous prime is 33545025645563. The next prime is 33545025645589. The reversal of 33545025645564 is 46554652054533.

33545025645564 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×33545025645564² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33545025645563) 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, 73563652504 + ... + 73563652959.

Almost surely, 2^{33545025645564} is an apocalyptic number.

It is an amenable number.

33545025645564 is an abundant number, since it is smaller than the sum of its proper divisors (48846265414276).

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

33545025645564 is a wasteful number, since it uses less digits than its factorization.

33545025645564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147127305489 (or 147127305487 counting only the distinct ones).

The product of its (nonzero) digits is 129600000, while the sum is 57.

The spelling of 33545025645564 in words is "thirty-three trillion, five hundred forty-five billion, twenty-five million, six hundred forty-five thousand, five hundred sixty-four".