104531550 has 96 divisors (see below), whose sum is σ = 277482240. Its totient is φ = 25977600.

The previous prime is 104531543. The next prime is 104531551. The reversal of 104531550 is 55135401.

It is a self number, because there is not a number n which added to its sum of digits gives 104531550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104531551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141081 + ... + 141819.

It is an arithmetic number, because the mean of its divisors is an integer number (2890440).

Almost surely, 2^104531550 is an apocalyptic number.

104531550 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 104531550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138741120).

104531550 is an abundant number, since it is smaller than the sum of its proper divisors (172950690).

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

104531550 is a wasteful number, since it uses less digits than its factorization.

104531550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 104531550 is about 10224.0671946149. The cubic root of 104531550 is about 471.0667635851.

Adding to 104531550 its reverse (55135401), we get a palindrome (159666951).

The spelling of 104531550 in words is "one hundred four million, five hundred thirty-one thousand, five hundred fifty".