550404536 has 32 divisors (see below), whose sum is σ = 1174780800. Its totient is φ = 239305440.

The previous prime is 550404527. The next prime is 550404583. The reversal of 550404536 is 635404055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133946 + ... + 137993.

It is an arithmetic number, because the mean of its divisors is an integer number (36711900).

Almost surely, 2^550404536 is an apocalyptic number.

It is an amenable number.

550404536 is an abundant number, since it is smaller than the sum of its proper divisors (624376264).

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

550404536 is a wasteful number, since it uses less digits than its factorization.

550404536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271979 (or 271975 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 550404536 is about 23460.7019502827. The cubic root of 550404536 is about 819.5220970984.

The spelling of 550404536 in words is "five hundred fifty million, four hundred four thousand, five hundred thirty-six".