550493406 has 12 divisors (see below), whose sum is σ = 1192735752. Its totient is φ = 183497796.

The previous prime is 550493393. The next prime is 550493407. The reversal of 550493406 is 604394055.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550493407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15291466 + ... + 15291501.

It is an arithmetic number, because the mean of its divisors is an integer number (99394646).

Almost surely, 2^550493406 is an apocalyptic number.

550493406 is an abundant number, since it is smaller than the sum of its proper divisors (642242346).

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

550493406 is a wasteful number, since it uses less digits than its factorization.

550493406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30582975 (or 30582972 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 550493406 is about 23462.5958921855. The cubic root of 550493406 is about 819.5662022395.

The spelling of 550493406 in words is "five hundred fifty million, four hundred ninety-three thousand, four hundred six".