53355220340 has 48 divisors (see below), whose sum is σ = 117053959680. Its totient is φ = 20404775040.

The previous prime is 53355220327. The next prime is 53355220343. The reversal of 53355220340 is 4302255335.

It is a junction number, because it is equal to n+sod(n) for n = 53355220297 and 53355220306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53355220343) 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, 466955 + ... + 569874.

It is an arithmetic number, because the mean of its divisors is an integer number (2438624160).

Almost surely, 2^53355220340 is an apocalyptic number.

It is an amenable number.

53355220340 is an abundant number, since it is smaller than the sum of its proper divisors (63698739340).

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

53355220340 is a wasteful number, since it uses less digits than its factorization.

53355220340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036952 (or 1036950 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 32.

Adding to 53355220340 its reverse (4302255335), we get a palindrome (57657475675).

The spelling of 53355220340 in words is "fifty-three billion, three hundred fifty-five million, two hundred twenty thousand, three hundred forty".