104533551 has 16 divisors (see below), whose sum is σ = 161598720. Its totient is φ = 66658680.

The previous prime is 104533523. The next prime is 104533553. The reversal of 104533551 is 155335401.

104533551 is a `hidden beast` number, since 104 + 5 + 3 + 3 + 551 = 666.

It is not a de Polignac number, because 104533551 - 2¹⁴ = 104517167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104533553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83545 + ... + 84786.

It is an arithmetic number, because the mean of its divisors is an integer number (10099920).

Almost surely, 2^104533551 is an apocalyptic number.

104533551 is a deficient number, since it is larger than the sum of its proper divisors (57065169).

104533551 is a wasteful number, since it uses less digits than its factorization.

104533551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168363 (or 168357 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 104533551 is about 10224.1650514846. The cubic root of 104533551 is about 471.0697693716.

Adding to 104533551 its reverse (155335401), we get a palindrome (259868952).

It can be divided in two parts, 1045 and 33551, that added together give a square (34596 = 186²).

The spelling of 104533551 in words is "one hundred four million, five hundred thirty-three thousand, five hundred fifty-one".