53250255307530 has 24 divisors (see below), whose sum is σ = 138450663799812. Its totient is φ = 14200068081984.

The previous prime is 53250255307507. The next prime is 53250255307531. The reversal of 53250255307530 is 3570355205235.

53250255307530 is a `hidden beast` number, since 5 + 3 + 25 + 0 + 2 + 553 + 0 + 75 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 43217699516289 + 10032555791241 = 6574017^2 + 3167421^2 .

It is a super-3 number, since 3×53250255307530³ (a number of 42 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (53250255307531) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 295834751619 + ... + 295834751798.

Almost surely, 2^{53250255307530} is an apocalyptic number.

53250255307530 is an abundant number, since it is smaller than the sum of its proper divisors (85200408492282).

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

53250255307530 is a wasteful number, since it uses less digits than its factorization.

53250255307530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591669503430 (or 591669503427 counting only the distinct ones).

The product of its (nonzero) digits is 2362500, while the sum is 45.

The spelling of 53250255307530 in words is "fifty-three trillion, two hundred fifty billion, two hundred fifty-five million, three hundred seven thousand, five hundred thirty".