255423443055 has 64 divisors (see below), whose sum is σ = 487283060736. Its totient is φ = 112796928000.

The previous prime is 255423443003. The next prime is 255423443069. The reversal of 255423443055 is 550344324552.

It is not a de Polignac number, because 255423443055 - 2⁷ = 255423442927 is a prime.

It is a super-2 number, since 2×255423443055² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255423442998 and 255423443016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1381756 + ... + 1555665.

It is an arithmetic number, because the mean of its divisors is an integer number (7613797824).

Almost surely, 2^255423443055 is an apocalyptic number.

255423443055 is a deficient number, since it is larger than the sum of its proper divisors (231859617681).

255423443055 is a wasteful number, since it uses less digits than its factorization.

255423443055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937488.

The product of its (nonzero) digits is 1440000, while the sum is 42.

The spelling of 255423443055 in words is "two hundred fifty-five billion, four hundred twenty-three million, four hundred forty-three thousand, fifty-five".