253654956555 has 96 divisors (see below), whose sum is σ = 549043203072. Its totient is φ = 97306133760.

The previous prime is 253654956553. The next prime is 253654956571. The reversal of 253654956555 is 555659456352.

253654956555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253654956555 - 2¹ = 253654956553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253654956551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 602719 + ... + 933048.

It is an arithmetic number, because the mean of its divisors is an integer number (5719200032).

Almost surely, 2^253654956555 is an apocalyptic number.

253654956555 is an abundant number, since it is smaller than the sum of its proper divisors (295388246517).

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

253654956555 is a wasteful number, since it uses less digits than its factorization.

253654956555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535817 (or 1535806 counting only the distinct ones).

The product of its digits is 121500000, while the sum is 60.

The spelling of 253654956555 in words is "two hundred fifty-three billion, six hundred fifty-four million, nine hundred fifty-six thousand, five hundred fifty-five".