550577442 has 8 divisors (see below), whose sum is σ = 1101154896. Its totient is φ = 183525812.

The previous prime is 550577431. The next prime is 550577507. The reversal of 550577442 is 244775055.

It is a sphenic number, since it is the product of 3 distinct primes.

550577442 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 550577442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45881448 + ... + 45881459.

It is an arithmetic number, because the mean of its divisors is an integer number (137644362).

Almost surely, 2^550577442 is an apocalyptic number.

550577442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

550577442 is a wasteful number, since it uses less digits than its factorization.

550577442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91762912.

The product of its (nonzero) digits is 196000, while the sum is 39.

The square root of 550577442 is about 23464.3866742773. The cubic root of 550577442 is about 819.6079039568.

The spelling of 550577442 in words is "five hundred fifty million, five hundred seventy-seven thousand, four hundred forty-two".