53239349340 has 36 divisors (see below), whose sum is σ = 161492693544. Its totient is φ = 14197159776.

The previous prime is 53239349263. The next prime is 53239349341. The reversal of 53239349340 is 4394393235.

53239349340 is a `hidden beast` number, since 5 + 32 + 3 + 93 + 493 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53239349341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147886902 + ... + 147887261.

It is an arithmetic number, because the mean of its divisors is an integer number (4485908154).

Almost surely, 2^53239349340 is an apocalyptic number.

It is an amenable number.

53239349340 is an abundant number, since it is smaller than the sum of its proper divisors (108253344204).

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

53239349340 is a wasteful number, since it uses less digits than its factorization.

53239349340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295774178 (or 295774173 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 45.

The spelling of 53239349340 in words is "fifty-three billion, two hundred thirty-nine million, three hundred forty-nine thousand, three hundred forty".