253255505455 has 16 divisors (see below), whose sum is σ = 304646572800. Its totient is φ = 202111683840.

The previous prime is 253255505401. The next prime is 253255505479. The reversal of 253255505455 is 554505552352.

It is a happy number.

It is not a de Polignac number, because 253255505455 - 2¹³ = 253255497263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3477051 + ... + 3549139.

It is an arithmetic number, because the mean of its divisors is an integer number (19040410800).

Almost surely, 2^253255505455 is an apocalyptic number.

253255505455 is a deficient number, since it is larger than the sum of its proper divisors (51391067345).

253255505455 is an equidigital number, since it uses as much as digits as its factorization.

253255505455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73794.

The product of its (nonzero) digits is 3750000, while the sum is 46.

The spelling of 253255505455 in words is "two hundred fifty-three billion, two hundred fifty-five million, five hundred five thousand, four hundred fifty-five".