253837725056 has 32 divisors (see below), whose sum is σ = 505819193400. Its totient is φ = 126887025664.

The previous prime is 253837724993. The next prime is 253837725059. The reversal of 253837725056 is 650527738352.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 253837724989 and 253837725007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253837725059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267716 + ... + 761148.

Almost surely, 2^253837725056 is an apocalyptic number.

It is an amenable number.

253837725056 is a deficient number, since it is larger than the sum of its proper divisors (251981468344).

253837725056 is an equidigital number, since it uses as much as digits as its factorization.

253837725056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497466 (or 497454 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 253837725056 in words is "two hundred fifty-three billion, eight hundred thirty-seven million, seven hundred twenty-five thousand, fifty-six".