52251533622630 has 192 divisors, whose sum is σ = 141644524806720. Its totient is φ = 13347814502400.

The previous prime is 52251533622523. The next prime is 52251533622707. The reversal of 52251533622630 is 3622633515225.

52251533622630 is a `hidden beast` number, since 5 + 2 + 2 + 5 + 1 + 5 + 3 + 3 + 6 + 2 + 2 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 170731645 + ... + 171037415.

It is an arithmetic number, because the mean of its divisors is an integer number (737731900035).

Almost surely, 2^{52251533622630} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52251533622630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70822262403360).

52251533622630 is an abundant number, since it is smaller than the sum of its proper divisors (89392991184090).

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

52251533622630 is a wasteful number, since it uses less digits than its factorization.

52251533622630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306327 (or 306324 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 45.

The spelling of 52251533622630 in words is "fifty-two trillion, two hundred fifty-one billion, five hundred thirty-three million, six hundred twenty-two thousand, six hundred thirty".