253255550 has 24 divisors (see below), whose sum is σ = 487301400. Its totient is φ = 97808480.

The previous prime is 253255549. The next prime is 253255567. The reversal of 253255550 is 55552352.

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, 85880 + ... + 88779.

It is an arithmetic number, because the mean of its divisors is an integer number (20304225).

Almost surely, 2^253255550 is an apocalyptic number.

253255550 is a deficient number, since it is larger than the sum of its proper divisors (234045850).

253255550 is a wasteful number, since it uses less digits than its factorization.

253255550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174700 (or 174695 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 32.

The square root of 253255550 is about 15914.0048385062. The cubic root of 253255550 is about 632.6832310356.

The spelling of 253255550 in words is "two hundred fifty-three million, two hundred fifty-five thousand, five hundred fifty".