550401042 has 32 divisors (see below), whose sum is σ = 1109188800. Its totient is φ = 182075328.

The previous prime is 550401041. The next prime is 550401091. The reversal of 550401042 is 240104055.

It is not an unprimeable number, because it can be changed into a prime (550401041) 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, 698973 + ... + 699759.

It is an arithmetic number, because the mean of its divisors is an integer number (34662150).

Almost surely, 2^550401042 is an apocalyptic number.

550401042 is an abundant number, since it is smaller than the sum of its proper divisors (558787758).

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

550401042 is a wasteful number, since it uses less digits than its factorization.

550401042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 550401042 is about 23460.6274852145. The cubic root of 550401042 is about 819.5203629701.

Adding to 550401042 its reverse (240104055), we get a palindrome (790505097).

The spelling of 550401042 in words is "five hundred fifty million, four hundred one thousand, forty-two".