52511404340 has 24 divisors (see below), whose sum is σ = 110358764712. Its totient is φ = 20988406400.

The previous prime is 52511404321. The next prime is 52511404343. The reversal of 52511404340 is 4340411525.

52511404340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 208629136 + 52302775204 = 14444^2 + 228698^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52511404343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983039 + ... + 1035078.

It is an arithmetic number, because the mean of its divisors is an integer number (4598281863).

Almost surely, 2^52511404340 is an apocalyptic number.

It is an amenable number.

52511404340 is an abundant number, since it is smaller than the sum of its proper divisors (57847360372).

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

52511404340 is a wasteful number, since it uses less digits than its factorization.

52511404340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019427 (or 2019425 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 52511404340 its reverse (4340411525), we get a palindrome (56851815865).

The spelling of 52511404340 in words is "fifty-two billion, five hundred eleven million, four hundred four thousand, three hundred forty".