52357820325552 has 640 divisors, whose sum is σ = 184915707494400. Its totient is φ = 13844741750784.

The previous prime is 52357820325511. The next prime is 52357820325583. The reversal of 52357820325552 is 25552302875325.

52357820325552 is a `hidden beast` number, since 5 + 2 + 3 + 5 + 7 + 82 + 0 + 3 + 2 + 5 + 552 = 666.

It is a super-2 number, since 2×52357820325552² (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 polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 737720724 + ... + 737791692.

It is an arithmetic number, because the mean of its divisors is an integer number (288930792960).

Almost surely, 2^{52357820325552} 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 52357820325552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92457853747200).

52357820325552 is an abundant number, since it is smaller than the sum of its proper divisors (132557887168848).

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

52357820325552 is a wasteful number, since it uses less digits than its factorization.

52357820325552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71250 (or 71238 counting only the distinct ones).

The product of its (nonzero) digits is 25200000, while the sum is 54.

The spelling of 52357820325552 in words is "fifty-two trillion, three hundred fifty-seven billion, eight hundred twenty million, three hundred twenty-five thousand, five hundred fifty-two".