23455550 has 24 divisors (see below), whose sum is σ = 43972632. Its totient is φ = 9308000.

The previous prime is 23455543. The next prime is 23455559. The reversal of 23455550 is 5555432.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23455559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4760 + ... + 8340.

It is an arithmetic number, because the mean of its divisors is an integer number (1832193).

Almost surely, 2^23455550 is an apocalyptic number.

23455550 is a deficient number, since it is larger than the sum of its proper divisors (20517082).

23455550 is a wasteful number, since it uses less digits than its factorization.

23455550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724 (or 3719 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 23455550 is about 4843.0930199615. The cubic root of 23455550 is about 286.2520070033.

The spelling of 23455550 in words is "twenty-three million, four hundred fifty-five thousand, five hundred fifty".