53111533344 has 48 divisors (see below), whose sum is σ = 139520556000. Its totient is φ = 17690792960.

The previous prime is 53111533327. The next prime is 53111533417. The reversal of 53111533344 is 44333511135.

53111533344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

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, 72594 + ... + 333905.

It is an arithmetic number, because the mean of its divisors is an integer number (2906678250).

Almost surely, 2^53111533344 is an apocalyptic number.

It is an amenable number.

53111533344 is an abundant number, since it is smaller than the sum of its proper divisors (86409022656).

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

53111533344 is a wasteful number, since it uses less digits than its factorization.

53111533344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407873 (or 407865 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The spelling of 53111533344 in words is "fifty-three billion, one hundred eleven million, five hundred thirty-three thousand, three hundred forty-four".