253648280655 has 192 divisors, whose sum is σ = 570232406016. Its totient is φ = 105080976000.

The previous prime is 253648280617. The next prime is 253648280681. The reversal of 253648280655 is 556082846352.

253648280655 is a `hidden beast` number, since 2 + 5 + 36 + 482 + 80 + 6 + 55 = 666.

It is not a de Polignac number, because 253648280655 - 2⁷ = 253648280527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 30962610 + ... + 30970800.

It is an arithmetic number, because the mean of its divisors is an integer number (2969960448).

Almost surely, 2^253648280655 is an apocalyptic number.

253648280655 is an abundant number, since it is smaller than the sum of its proper divisors (316584125361).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253648280655 is a wasteful number, since it uses less digits than its factorization.

253648280655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8560 (or 8548 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 54.

The spelling of 253648280655 in words is "two hundred fifty-three billion, six hundred forty-eight million, two hundred eighty thousand, six hundred fifty-five".