53145144250 has 128 divisors (see below), whose sum is σ = 113847192576. Its totient is φ = 18401472000.

The previous prime is 53145144223. The next prime is 53145144251. The reversal of 53145144250 is 5244154135.

It is not an unprimeable number, because it can be changed into a prime (53145144251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4776694 + ... + 4787806.

It is an arithmetic number, because the mean of its divisors is an integer number (889431192).

Almost surely, 2^53145144250 is an apocalyptic number.

53145144250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53145144250 is an abundant number, since it is smaller than the sum of its proper divisors (60702048326).

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

53145144250 is a wasteful number, since it uses less digits than its factorization.

53145144250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11225 (or 11215 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 53145144250 its reverse (5244154135), we get a palindrome (58389298385).

The spelling of 53145144250 in words is "fifty-three billion, one hundred forty-five million, one hundred forty-four thousand, two hundred fifty".