550391475 has 24 divisors (see below), whose sum is σ = 910656000. Its totient is φ = 293324320.

The previous prime is 550391461. The next prime is 550391477. The reversal of 550391475 is 574193055.

550391475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550391475 - 2⁴ = 550391459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550391477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182026 + ... + 185024.

It is an arithmetic number, because the mean of its divisors is an integer number (37944000).

Almost surely, 2^550391475 is an apocalyptic number.

550391475 is a deficient number, since it is larger than the sum of its proper divisors (360264525).

550391475 is a wasteful number, since it uses less digits than its factorization.

550391475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459 (or 5454 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 550391475 is about 23460.4235895263. The cubic root of 550391475 is about 819.5156146768.

The spelling of 550391475 in words is "five hundred fifty million, three hundred ninety-one thousand, four hundred seventy-five".