253450421535255 has 32 divisors (see below), whose sum is σ = 463485308160000. Its totient is φ = 115854772649472.

The previous prime is 253450421535221. The next prime is 253450421535271. The reversal of 253450421535255 is 552535124054352.

It is not a de Polignac number, because 253450421535255 - 2¹⁴ = 253450421518871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253450421535198 and 253450421535207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84743890 + ... + 87683679.

It is an arithmetic number, because the mean of its divisors is an integer number (14483915880000).

Almost surely, 2^{253450421535255} is an apocalyptic number.

253450421535255 is a deficient number, since it is larger than the sum of its proper divisors (210034886624745).

253450421535255 is a wasteful number, since it uses less digits than its factorization.

253450421535255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172441583.

The product of its (nonzero) digits is 18000000, while the sum is 51.

The spelling of 253450421535255 in words is "two hundred fifty-three trillion, four hundred fifty billion, four hundred twenty-one million, five hundred thirty-five thousand, two hundred fifty-five".