550634431 has 8 divisors (see below), whose sum is σ = 568668800. Its totient is φ = 532617120.

The previous prime is 550634419. The next prime is 550634443. The reversal of 550634431 is 134436055.

It is an interprime number because it is at equal distance from previous prime (550634419) and next prime (550634443).

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

It is a cyclic number.

It is not a de Polignac number, because 550634431 - 2⁷ = 550634303 is a prime.

It is a super-2 number, since 2×550634431² = 606396553205387522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550634393 and 550634402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550635431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112585 + ... + 117373.

It is an arithmetic number, because the mean of its divisors is an integer number (71083600).

Almost surely, 2^550634431 is an apocalyptic number.

550634431 is a deficient number, since it is larger than the sum of its proper divisors (18034369).

550634431 is a wasteful number, since it uses less digits than its factorization.

550634431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8529.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 550634431 is about 23465.6010151029. The cubic root of 550634431 is about 819.6361815552.

The spelling of 550634431 in words is "five hundred fifty million, six hundred thirty-four thousand, four hundred thirty-one".