550413432504 has 72 divisors (see below), whose sum is σ = 1614193275240. Its totient is φ = 169357975488.

The previous prime is 550413432493. The next prime is 550413432533. The reversal of 550413432504 is 405234314055.

550413432504 is a `hidden beast` number, since 5 + 50 + 41 + 34 + 32 + 504 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 22605084 + ... + 22629419.

It is an arithmetic number, because the mean of its divisors is an integer number (22419351045).

Almost surely, 2^550413432504 is an apocalyptic number.

It is an amenable number.

550413432504 is an abundant number, since it is smaller than the sum of its proper divisors (1063779842736).

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

550413432504 is a wasteful number, since it uses less digits than its factorization.

550413432504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45234541 (or 45234521 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 550413432504 its reverse (405234314055), we get a palindrome (955647746559).

The spelling of 550413432504 in words is "five hundred fifty billion, four hundred thirteen million, four hundred thirty-two thousand, five hundred four".