52520438149998 has 384 divisors, whose sum is σ = 140888499978240. Its totient is φ = 12674676268800.

The previous prime is 52520438149969. The next prime is 52520438150041. The reversal of 52520438149998 is 89994183402525.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5453264643 + ... + 5453274273.

It is an arithmetic number, because the mean of its divisors is an integer number (366897135360).

Almost surely, 2^{52520438149998} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52520438149998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70444249989120).

52520438149998 is an abundant number, since it is smaller than the sum of its proper divisors (88368061828242).

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

52520438149998 is a wasteful number, since it uses less digits than its factorization.

52520438149998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10284 (or 10253 counting only the distinct ones).

The product of its (nonzero) digits is 223948800, while the sum is 69.

The spelling of 52520438149998 in words is "fifty-two trillion, five hundred twenty billion, four hundred thirty-eight million, one hundred forty-nine thousand, nine hundred ninety-eight".