53356444340 has 12 divisors (see below), whose sum is σ = 112048533156. Its totient is φ = 21342577728.

The previous prime is 53356444321. The next prime is 53356444343. The reversal of 53356444340 is 4344465335.

53356444340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10097436196 + 43259008144 = 100486^2 + 207988^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53356444343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1333911089 + ... + 1333911128.

It is an arithmetic number, because the mean of its divisors is an integer number (9337377763).

Almost surely, 2^53356444340 is an apocalyptic number.

It is an amenable number.

53356444340 is an abundant number, since it is smaller than the sum of its proper divisors (58692088816).

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

53356444340 is a wasteful number, since it uses less digits than its factorization.

53356444340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667822226 (or 2667822224 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 41.

The spelling of 53356444340 in words is "fifty-three billion, three hundred fifty-six million, four hundred forty-four thousand, three hundred forty".