255552550 has 48 divisors (see below), whose sum is σ = 521060400. Its totient is φ = 92476800.

The previous prime is 255552547. The next prime is 255552581. The reversal of 255552550 is 55255552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124936 + ... + 126964.

It is an arithmetic number, because the mean of its divisors is an integer number (10855425).

Almost surely, 2^255552550 is an apocalyptic number.

255552550 is an abundant number, since it is smaller than the sum of its proper divisors (265507850).

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

255552550 is a wasteful number, since it uses less digits than its factorization.

255552550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281 (or 2276 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The square root of 255552550 is about 15986.0110721843. The cubic root of 255552550 is about 634.5902661905.

The spelling of 255552550 in words is "two hundred fifty-five million, five hundred fifty-two thousand, five hundred fifty".