53015320332 has 144 divisors (see below), whose sum is σ = 147598240608. Its totient is φ = 15945154560.

The previous prime is 53015320327. The next prime is 53015320343. The reversal of 53015320332 is 23302351035.

53015320332 is a `hidden beast` number, since 5 + 3 + 0 + 1 + 5 + 320 + 332 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 53015320296 and 53015320305.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4647628 + ... + 4659020.

It is an arithmetic number, because the mean of its divisors is an integer number (1024987782).

Almost surely, 2^53015320332 is an apocalyptic number.

53015320332 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53015320332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73799120304).

53015320332 is an abundant number, since it is smaller than the sum of its proper divisors (94582920276).

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

53015320332 is a wasteful number, since it uses less digits than its factorization.

53015320332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11640 (or 11635 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

Adding to 53015320332 its reverse (23302351035), we get a palindrome (76317671367).

The spelling of 53015320332 in words is "fifty-three billion, fifteen million, three hundred twenty thousand, three hundred thirty-two".