255260550 has 48 divisors (see below), whose sum is σ = 643798080. Its totient is φ = 66913440.

The previous prime is 255260543. The next prime is 255260557. The reversal of 255260550 is 55062552.

It is an interprime number because it is at equal distance from previous prime (255260543) and next prime (255260557).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255260557) 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, 5572 + ... + 23271.

It is an arithmetic number, because the mean of its divisors is an integer number (13412460).

Almost surely, 2^255260550 is an apocalyptic number.

255260550 is an abundant number, since it is smaller than the sum of its proper divisors (388537530).

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

255260550 is a wasteful number, since it uses less digits than its factorization.

255260550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28917 (or 28912 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 255260550 is about 15976.8754767633. The cubic root of 255260550 is about 634.3484751138.

The spelling of 255260550 in words is "two hundred fifty-five million, two hundred sixty thousand, five hundred fifty".