53305525250 has 16 divisors (see below), whose sum is σ = 99787943736. Its totient is φ = 21322210000.

The previous prime is 53305525249. The next prime is 53305525277. The reversal of 53305525250 is 5252550335.

It can be written as a sum of positive squares in 4 ways, for example, as 1941195481 + 51364329769 = 44059^2 + 226637^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53305525250.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106610801 + ... + 106611300.

Almost surely, 2^53305525250 is an apocalyptic number.

53305525250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53305525250 is a deficient number, since it is larger than the sum of its proper divisors (46482418486).

53305525250 is a wasteful number, since it uses less digits than its factorization.

53305525250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213222118 (or 213222108 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 35.

The spelling of 53305525250 in words is "fifty-three billion, three hundred five million, five hundred twenty-five thousand, two hundred fifty".