23255550 has 36 divisors (see below), whose sum is σ = 62481120. Its totient is φ = 6201360.

The previous prime is 23255543. The next prime is 23255567. The reversal of 23255550 is 5555232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25390 + ... + 26289.

Almost surely, 2^23255550 is an apocalyptic number.

23255550 is an abundant number, since it is smaller than the sum of its proper divisors (39225570).

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

23255550 is a wasteful number, since it uses less digits than its factorization.

23255550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51697 (or 51689 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 23255550 is about 4822.4008543463. The cubic root of 23255550 is about 285.4360821739.

It can be divided in two parts, 2325 and 5550, that added together give a triangular number (7875 = T₁₂₅).

The spelling of 23255550 in words is "twenty-three million, two hundred fifty-five thousand, five hundred fifty".