53115252345 has 12 divisors (see below), whose sum is σ = 92066437476. Its totient is φ = 28328134560.

The previous prime is 53115252341. The next prime is 53115252367. The reversal of 53115252345 is 54325251135.

53115252345 is a `hidden beast` number, since 53 + 1 + 15 + 252 + 345 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5896396944 + 47218855401 = 76788^2 + 217299^2 .

It is not a de Polignac number, because 53115252345 - 2² = 53115252341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53115252341) 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, 590169426 + ... + 590169515.

It is an arithmetic number, because the mean of its divisors is an integer number (7672203123).

Almost surely, 2^53115252345 is an apocalyptic number.

It is an amenable number.

53115252345 is a deficient number, since it is larger than the sum of its proper divisors (38951185131).

53115252345 is a wasteful number, since it uses less digits than its factorization.

53115252345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180338952 (or 1180338949 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The spelling of 53115252345 in words is "fifty-three billion, one hundred fifteen million, two hundred fifty-two thousand, three hundred forty-five".