253655057585 has 8 divisors (see below), whose sum is σ = 305358550440. Its totient is φ = 202275725184.

The previous prime is 253655057533. The next prime is 253655057707. The reversal of 253655057585 is 585750556352.

It can be written as a sum of positive squares in 4 ways, for example, as 7233162304 + 246421895281 = 85048^2 + 496409^2 .

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 253655057585 - 2¹⁰ = 253655056561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253655057585.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81038390 + ... + 81041519.

It is an arithmetic number, because the mean of its divisors is an integer number (38169818805).

Almost surely, 2^253655057585 is an apocalyptic number.

It is an amenable number.

253655057585 is a deficient number, since it is larger than the sum of its proper divisors (51703492855).

253655057585 is a wasteful number, since it uses less digits than its factorization.

253655057585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162080227.

The product of its (nonzero) digits is 31500000, while the sum is 56.

The spelling of 253655057585 in words is "two hundred fifty-three billion, six hundred fifty-five million, fifty-seven thousand, five hundred eighty-five".