52645309529076 has 144 divisors (see below), whose sum is σ = 148561971125568. Its totient is φ = 15580818892800.

The previous prime is 52645309529069. The next prime is 52645309529077. The reversal of 52645309529076 is 67092590354625.

It is a happy number.

52645309529076 is a `hidden beast` number, since 5 + 2 + 6 + 4 + 5 + 30 + 9 + 529 + 0 + 76 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52645309529077) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 214038246 + ... + 214284066.

Almost surely, 2^{52645309529076} 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 52645309529076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74280985562784).

52645309529076 is an abundant number, since it is smaller than the sum of its proper divisors (95916661596492).

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

52645309529076 is a wasteful number, since it uses less digits than its factorization.

52645309529076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258462 (or 258457 counting only the distinct ones).

The product of its (nonzero) digits is 122472000, while the sum is 63.

The spelling of 52645309529076 in words is "fifty-two trillion, six hundred forty-five billion, three hundred nine million, five hundred twenty-nine thousand, seventy-six".