253531423655 has 8 divisors (see below), whose sum is σ = 304649401200. Its totient is φ = 202550677056.

The previous prime is 253531423597. The next prime is 253531423657. The reversal of 253531423655 is 556324135352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253531423655 - 2³⁶ = 184811946919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253531423657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34303670 + ... + 34311059.

It is an arithmetic number, because the mean of its divisors is an integer number (38081175150).

Almost surely, 2^253531423655 is an apocalyptic number.

253531423655 is a deficient number, since it is larger than the sum of its proper divisors (51117977545).

253531423655 is an equidigital number, since it uses as much as digits as its factorization.

253531423655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68615473.

The product of its digits is 1620000, while the sum is 44.

The spelling of 253531423655 in words is "two hundred fifty-three billion, five hundred thirty-one million, four hundred twenty-three thousand, six hundred fifty-five".