104643550 has 24 divisors (see below), whose sum is σ = 212332392. Its totient is φ = 38052000.

The previous prime is 104643527. The next prime is 104643559. The reversal of 104643550 is 55346401.

It is a hoax number, since the sum of its digits (28) 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 (104643559) 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, 94581 + ... + 95680.

It is an arithmetic number, because the mean of its divisors is an integer number (8847183).

Almost surely, 2^104643550 is an apocalyptic number.

104643550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104643550 is an abundant number, since it is smaller than the sum of its proper divisors (107688842).

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

104643550 is a wasteful number, since it uses less digits than its factorization.

104643550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190284 (or 190279 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 104643550 is about 10229.5430005450. The cubic root of 104643550 is about 471.2349445338.

Adding to 104643550 its reverse (55346401), we get a palindrome (159989951).

The spelling of 104643550 in words is "one hundred four million, six hundred forty-three thousand, five hundred fifty".