53316406250 has 40 divisors (see below), whose sum is σ = 99975575700. Its totient is φ = 21325000000.

The previous prime is 53316406249. The next prime is 53316406259. The reversal of 53316406250 is 5260461335.

It can be written as a sum of positive squares in 10 ways, for example, as 22322451649 + 30993954601 = 149407^2 + 176051^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53316406250.

It is not an unprimeable number, because it can be changed into a prime (53316406259) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3899426 + ... + 3913074.

Almost surely, 2^53316406250 is an apocalyptic number.

53316406250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53316406250 is a deficient number, since it is larger than the sum of its proper divisors (46659169450).

53316406250 is an frugal number, since it uses more digits than its factorization.

53316406250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13696 (or 13656 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 53316406250 its reverse (5260461335), we get a palindrome (58576867585).

The spelling of 53316406250 in words is "fifty-three billion, three hundred sixteen million, four hundred six thousand, two hundred fifty".