53442115240 has 32 divisors (see below), whose sum is σ = 124391133000. Its totient is φ = 20639713024.

The previous prime is 53442115219. The next prime is 53442115273. The reversal of 53442115240 is 4251124435.

It can be written as a sum of positive squares in 4 ways, for example, as 51828164964 + 1613950276 = 227658^2 + 40174^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23034235 + ... + 23036554.

Almost surely, 2^53442115240 is an apocalyptic number.

It is an amenable number.

53442115240 is an abundant number, since it is smaller than the sum of its proper divisors (70949017760).

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

53442115240 is a wasteful number, since it uses less digits than its factorization.

53442115240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46070829 (or 46070825 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 53442115240 its reverse (4251124435), we get a palindrome (57693239675).

The spelling of 53442115240 in words is "fifty-three billion, four hundred forty-two million, one hundred fifteen thousand, two hundred forty".