255473233533 has 24 divisors (see below), whose sum is σ = 421917432768. Its totient is φ = 145921067712.

The previous prime is 255473233501. The next prime is 255473233591. The reversal of 255473233533 is 335332374552.

It is a happy number.

255473233533 is a `hidden beast` number, since 2 + 5 + 54 + 7 + 32 + 33 + 533 = 666.

It is not a de Polignac number, because 255473233533 - 2⁵ = 255473233501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255473233733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 737991 + ... + 1027412.

It is an arithmetic number, because the mean of its divisors is an integer number (17579893032).

Almost surely, 2^255473233533 is an apocalyptic number.

It is an amenable number.

255473233533 is a deficient number, since it is larger than the sum of its proper divisors (166444199235).

255473233533 is a wasteful number, since it uses less digits than its factorization.

255473233533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767713 (or 1767710 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 45.

The spelling of 255473233533 in words is "two hundred fifty-five billion, four hundred seventy-three million, two hundred thirty-three thousand, five hundred thirty-three".