52780505525028 has 96 divisors (see below), whose sum is σ = 138821700792320. Its totient is φ = 17340118377120.

The previous prime is 52780505525003. The next prime is 52780505525087. The reversal of 52780505525028 is 82052550508725.

52780505525028 is a `hidden beast` number, since 5 + 2 + 7 + 80 + 5 + 0 + 5 + 52 + 502 + 8 = 666.

It is a super-2 number, since 2×52780505525028² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8896300 + ... + 13590627.

Almost surely, 2^{52780505525028} is an apocalyptic number.

It is an amenable number.

52780505525028 is an abundant number, since it is smaller than the sum of its proper divisors (86041195267292).

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

52780505525028 is a wasteful number, since it uses less digits than its factorization.

52780505525028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22487254 (or 22487246 counting only the distinct ones).

The product of its (nonzero) digits is 11200000, while the sum is 54.

The spelling of 52780505525028 in words is "fifty-two trillion, seven hundred eighty billion, five hundred five million, five hundred twenty-five thousand, twenty-eight".