53250345540 has 384 divisors, whose sum is σ = 191703859200. Its totient is φ = 12020451840.

The previous prime is 53250345517. The next prime is 53250345581. The reversal of 53250345540 is 4554305235.

53250345540 is a `hidden beast` number, since 5 + 32 + 50 + 34 + 5 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 53250345495 and 53250345504.

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 127 ways as a sum of consecutive naturals, for example, 196495605 + ... + 196495875.

It is an arithmetic number, because the mean of its divisors is an integer number (499228800).

Almost surely, 2^53250345540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53250345540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95851929600).

53250345540 is an abundant number, since it is smaller than the sum of its proper divisors (138453513660).

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

53250345540 is a wasteful number, since it uses less digits than its factorization.

53250345540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 53250345540 in words is "fifty-three billion, two hundred fifty million, three hundred forty-five thousand, five hundred forty".