53520237340 has 48 divisors (see below), whose sum is σ = 115366303584. Its totient is φ = 20848608000.

The previous prime is 53520237313. The next prime is 53520237349. The reversal of 53520237340 is 4373202535.

It is a junction number, because it is equal to n+sod(n) for n = 53520237296 and 53520237305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53520237349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93954 + ... + 340393.

It is an arithmetic number, because the mean of its divisors is an integer number (2403464658).

Almost surely, 2^53520237340 is an apocalyptic number.

It is an amenable number.

53520237340 is an abundant number, since it is smaller than the sum of its proper divisors (61846066244).

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

53520237340 is a wasteful number, since it uses less digits than its factorization.

53520237340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434518 (or 434516 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 34.

Adding to 53520237340 its reverse (4373202535), we get a palindrome (57893439875).

The spelling of 53520237340 in words is "fifty-three billion, five hundred twenty million, two hundred thirty-seven thousand, three hundred forty".