53515101240 has 96 divisors (see below), whose sum is σ = 174440569680. Its totient is φ = 14228315136.

The previous prime is 53515101239. The next prime is 53515101253. The reversal of 53515101240 is 4210151535.

53515101240 is a `hidden beast` number, since 5 + 3 + 515 + 101 + 2 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99234 + ... + 341873.

Almost surely, 2^53515101240 is an apocalyptic number.

It is an amenable number.

53515101240 is an abundant number, since it is smaller than the sum of its proper divisors (120925468440).

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

53515101240 is a wasteful number, since it uses less digits than its factorization.

53515101240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441461 (or 441454 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 53515101240 its reverse (4210151535), we get a palindrome (57725252775).

The spelling of 53515101240 in words is "fifty-three billion, five hundred fifteen million, one hundred one thousand, two hundred forty".