104312550 has 48 divisors (see below), whose sum is σ = 260608320. Its totient is φ = 27611040.

The previous prime is 104312519. The next prime is 104312557. The reversal of 104312550 is 55213401.

It is a super-2 number, since 2×104312550² = 21762216175005000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104312557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18349 + ... + 23351.

It is an arithmetic number, because the mean of its divisors is an integer number (5429340).

Almost surely, 2^104312550 is an apocalyptic number.

104312550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 104312550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130304160).

104312550 is an abundant number, since it is smaller than the sum of its proper divisors (156295770).

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

104312550 is a wasteful number, since it uses less digits than its factorization.

104312550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5157 (or 5152 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 104312550 is about 10213.3515556844. The cubic root of 104312550 is about 470.7375623379.

Adding to 104312550 its reverse (55213401), we get a palindrome (159525951).

The spelling of 104312550 in words is "one hundred four million, three hundred twelve thousand, five hundred fifty".