550972 has 6 divisors (see below), whose sum is σ = 964208. Its totient is φ = 275484.

The previous prime is 550969. The next prime is 550973. The reversal of 550972 is 279055.

It is a self number, because there is not a number n which added to its sum of digits gives 550972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68868 + ... + 68875.

2⁵⁵⁰⁹⁷² is an apocalyptic number.

It is an amenable number.

550972 is a deficient number, since it is larger than the sum of its proper divisors (413236).

550972 is a wasteful number, since it uses less digits than its factorization.

550972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137747 (or 137745 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 550972 is about 742.2748816981. The cubic root of 550972 is about 81.9803641264.

The spelling of 550972 in words is "five hundred fifty thousand, nine hundred seventy-two".