253855066572 has 36 divisors (see below), whose sum is σ = 642005951496. Its totient is φ = 84576585600.

The previous prime is 253855066529. The next prime is 253855066579. The reversal of 253855066572 is 275660558352.

It is a happy number.

253855066572 is a `hidden beast` number, since 2 + 5 + 3 + 8 + 5 + 5 + 0 + 66 + 572 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (253855066579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1666429 + ... + 1812372.

Almost surely, 2^253855066572 is an apocalyptic number.

It is an amenable number.

253855066572 is an abundant number, since it is smaller than the sum of its proper divisors (388150884924).

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

253855066572 is a wasteful number, since it uses less digits than its factorization.

253855066572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480838 (or 3480833 counting only the distinct ones).

The product of its (nonzero) digits is 15120000, while the sum is 54.

The spelling of 253855066572 in words is "two hundred fifty-three billion, eight hundred fifty-five million, sixty-six thousand, five hundred seventy-two".