253433143555250 has 64 divisors (see below), whose sum is σ = 474794182137600. Its totient is φ = 101294786448000.

The previous prime is 253433143555243. The next prime is 253433143555253. The reversal of 253433143555250 is 52555341334352.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (253433143555253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2780991686 + ... + 2781082814.

It is an arithmetic number, because the mean of its divisors is an integer number (7418659095900).

Almost surely, 2^{253433143555250} is an apocalyptic number.

253433143555250 is a deficient number, since it is larger than the sum of its proper divisors (221361038582350).

253433143555250 is a wasteful number, since it uses less digits than its factorization.

253433143555250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99636 (or 99626 counting only the distinct ones).

The product of its (nonzero) digits is 16200000, while the sum is 50.

The spelling of 253433143555250 in words is "two hundred fifty-three trillion, four hundred thirty-three billion, one hundred forty-three million, five hundred fifty-five thousand, two hundred fifty".