52780045533 has 16 divisors (see below), whose sum is σ = 71445643776. Its totient is φ = 34651698480.

The previous prime is 52780045531. The next prime is 52780045553. The reversal of 52780045533 is 33554008725.

It is a happy number.

It is not a de Polignac number, because 52780045533 - 2¹ = 52780045531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52780045531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47766 + ... + 328392.

It is an arithmetic number, because the mean of its divisors is an integer number (4465352736).

Almost surely, 2^52780045533 is an apocalyptic number.

It is an amenable number.

52780045533 is a deficient number, since it is larger than the sum of its proper divisors (18665598243).

52780045533 is a wasteful number, since it uses less digits than its factorization.

52780045533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281584.

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 52780045533 in words is "fifty-two billion, seven hundred eighty million, forty-five thousand, five hundred thirty-three".