550972422 has 128 divisors (see below), whose sum is σ = 1644088320. Its totient is φ = 132088320.

The previous prime is 550972403. The next prime is 550972447. The reversal of 550972422 is 224279055.

It is a happy number.

It is a super-5 number, since 5×550972422⁵ (a number of 45 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48958 + ... + 59150.

It is an arithmetic number, because the mean of its divisors is an integer number (12844440).

Almost surely, 2^550972422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550972422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (822044160).

550972422 is an abundant number, since it is smaller than the sum of its proper divisors (1093115898).

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

550972422 is a wasteful number, since it uses less digits than its factorization.

550972422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10235 (or 10229 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 550972422 is about 23472.8017501107. The cubic root of 550972422 is about 819.8038505652.

The spelling of 550972422 in words is "five hundred fifty million, nine hundred seventy-two thousand, four hundred twenty-two".