53513355450 has 48 divisors (see below), whose sum is σ = 132727174560. Its totient is φ = 14268717120.

The previous prime is 53513355449. The next prime is 53513355479. The reversal of 53513355450 is 5455331535.

It is a junction number, because it is equal to n+sod(n) for n = 53513355399 and 53513355408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2819392 + ... + 2838308.

It is an arithmetic number, because the mean of its divisors is an integer number (2765149470).

Almost surely, 2^53513355450 is an apocalyptic number.

53513355450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53513355450 is an abundant number, since it is smaller than the sum of its proper divisors (79213819110).

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

53513355450 is a wasteful number, since it uses less digits than its factorization.

53513355450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37791 (or 37786 counting only the distinct ones).

The product of its (nonzero) digits is 337500, while the sum is 39.

Adding to 53513355450 its reverse (5455331535), we get a palindrome (58968686985).

The spelling of 53513355450 in words is "fifty-three billion, five hundred thirteen million, three hundred fifty-five thousand, four hundred fifty".