285196550 has 24 divisors (see below), whose sum is σ = 553531536. Its totient is φ = 109118240.

The previous prime is 285196543. The next prime is 285196567. The reversal of 285196550 is 55691582.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 285196498 and 285196507.

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, 122849 + ... + 125148.

It is an arithmetic number, because the mean of its divisors is an integer number (23063814).

Almost surely, 2^285196550 is an apocalyptic number.

285196550 is a deficient number, since it is larger than the sum of its proper divisors (268334986).

285196550 is a wasteful number, since it uses less digits than its factorization.

285196550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248032 (or 248027 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 41.

The square root of 285196550 is about 16887.7633214112. The cubic root of 285196550 is about 658.2356842116.

The spelling of 285196550 in words is "two hundred eighty-five million, one hundred ninety-six thousand, five hundred fifty".