550231624 has 16 divisors (see below), whose sum is σ = 1033599420. Its totient is φ = 274605120.

The previous prime is 550231609. The next prime is 550231631. The reversal of 550231624 is 426132055.

It can be written as a sum of positive squares in 2 ways, for example, as 543729124 + 6502500 = 23318^2 + 2550^2 .

It is a junction number, because it is equal to n+sod(n) for n = 550231592 and 550231601.

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, 59239 + ... + 67894.

Almost surely, 2^550231624 is an apocalyptic number.

It is an amenable number.

550231624 is a deficient number, since it is larger than the sum of its proper divisors (483367796).

550231624 is a wasteful number, since it uses less digits than its factorization.

550231624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127680 (or 127676 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 550231624 is about 23457.0165195832. The cubic root of 550231624 is about 819.4362692891.

Adding to 550231624 its reverse (426132055), we get a palindrome (976363679).

The spelling of 550231624 in words is "five hundred fifty million, two hundred thirty-one thousand, six hundred twenty-four".