53311072 has 48 divisors (see below), whose sum is σ = 110242944. Its totient is φ = 25344000.

The previous prime is 53311021. The next prime is 53311081. The reversal of 53311072 is 27011335.

53311072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60072 + ... + 60952.

It is an arithmetic number, because the mean of its divisors is an integer number (2296728).

Almost surely, 2^53311072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53311072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55121472).

53311072 is an abundant number, since it is smaller than the sum of its proper divisors (56931872).

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

53311072 is a wasteful number, since it uses less digits than its factorization.

53311072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 53311072 is about 7301.4431450228. The cubic root of 53311072 is about 376.3620324723.

The spelling of 53311072 in words is "fifty-three million, three hundred eleven thousand, seventy-two".