52551325540 has 96 divisors (see below), whose sum is σ = 129054240000. Its totient is φ = 17602859520.

The previous prime is 52551325537. The next prime is 52551325621. The reversal of 52551325540 is 4552315525.

52551325540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52551325540² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52551325540.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1251811 + ... + 1293109.

It is an arithmetic number, because the mean of its divisors is an integer number (1344315000).

Almost surely, 2^52551325540 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 52551325540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64527120000).

52551325540 is an abundant number, since it is smaller than the sum of its proper divisors (76502914460).

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

52551325540 is a wasteful number, since it uses less digits than its factorization.

52551325540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41525 (or 41523 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 52551325540 in words is "fifty-two billion, five hundred fifty-one million, three hundred twenty-five thousand, five hundred forty".