53523313506 has 96 divisors (see below), whose sum is σ = 126827430912. Its totient is φ = 16213599360.

The previous prime is 53523313499. The next prime is 53523313513. The reversal of 53523313506 is 60531332535.

53523313506 is a `hidden beast` number, since 53 + 523 + 31 + 3 + 50 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (53523313499) and next prime (53523313513).

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, 14336016 + ... + 14339748.

It is an arithmetic number, because the mean of its divisors is an integer number (1321119072).

Almost surely, 2^53523313506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53523313506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63413715456).

53523313506 is an abundant number, since it is smaller than the sum of its proper divisors (73304117406).

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

53523313506 is a wasteful number, since it uses less digits than its factorization.

53523313506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4688 (or 4685 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 36.

The spelling of 53523313506 in words is "fifty-three billion, five hundred twenty-three million, three hundred thirteen thousand, five hundred six".