53513215400 has 48 divisors (see below), whose sum is σ = 131736953340. Its totient is φ = 20146150400.

The previous prime is 53513215363. The next prime is 53513215411. The reversal of 53513215400 is 451231535.

It can be written as a sum of positive squares in 6 ways, for example, as 44589390244 + 8923825156 = 211162^2 + 94466^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7866191 + ... + 7872990.

Almost surely, 2^53513215400 is an apocalyptic number.

53513215400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53513215400 is an abundant number, since it is smaller than the sum of its proper divisors (78223737940).

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

53513215400 is a wasteful number, since it uses less digits than its factorization.

53513215400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15739214 (or 15739205 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 53513215400 its reverse (451231535), we get a palindrome (53964446935).

The spelling of 53513215400 in words is "fifty-three billion, five hundred thirteen million, two hundred fifteen thousand, four hundred".