53005111506 has 16 divisors (see below), whose sum is σ = 117789136800. Its totient is φ = 17668370484.

The previous prime is 53005111487. The next prime is 53005111513. The reversal of 53005111506 is 60511150035.

53005111506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 53005111506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490788016 + ... + 490788123.

It is an arithmetic number, because the mean of its divisors is an integer number (7361821050).

Almost surely, 2^53005111506 is an apocalyptic number.

53005111506 is an abundant number, since it is smaller than the sum of its proper divisors (64784025294).

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

53005111506 is a wasteful number, since it uses less digits than its factorization.

53005111506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981576150 (or 981576144 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The spelling of 53005111506 in words is "fifty-three billion, five million, one hundred eleven thousand, five hundred six".