52156304428032 has 704 divisors, whose sum is σ = 179502707328000. Its totient is φ = 14651514814464.

The previous prime is 52156304428021. The next prime is 52156304428037. The reversal of 52156304428032 is 23082440365125.

52156304428032 is a `hidden beast` number, since 5 + 2 + 1 + 5 + 630 + 4 + 4 + 2 + 8 + 0 + 3 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (52156304428037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7378169394 + ... + 7378176462.

Almost surely, 2^{52156304428032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52156304428032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89751353664000).

52156304428032 is an abundant number, since it is smaller than the sum of its proper divisors (127346402899968).

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

52156304428032 is a wasteful number, since it uses less digits than its factorization.

52156304428032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7741 (or 7717 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 52156304428032 in words is "fifty-two trillion, one hundred fifty-six billion, three hundred four million, four hundred twenty-eight thousand, thirty-two".