256088550 has 24 divisors (see below), whose sum is σ = 635099976. Its totient is φ = 68290240.

The previous prime is 256088549. The next prime is 256088579. The reversal of 256088550 is 55880652.

It is a super-2 number, since 2×256088550² = 131162690882205000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 256088499 and 256088508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 853479 + ... + 853778.

It is an arithmetic number, because the mean of its divisors is an integer number (26462499).

Almost surely, 2^256088550 is an apocalyptic number.

256088550 is an abundant number, since it is smaller than the sum of its proper divisors (379011426).

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

256088550 is a wasteful number, since it uses less digits than its factorization.

256088550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707272 (or 1707267 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 256088550 is about 16002.7669482499. The cubic root of 256088550 is about 635.0336229536.

The spelling of 256088550 in words is "two hundred fifty-six million, eighty-eight thousand, five hundred fifty".