550786450 has 24 divisors (see below), whose sum is σ = 1026223380. Its totient is φ = 219936000.

The previous prime is 550786433. The next prime is 550786471. The reversal of 550786450 is 54687055.

It can be written as a sum of positive squares in 6 ways, for example, as 299532249 + 251254201 = 17307^2 + 15851^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20886 + ... + 39214.

Almost surely, 2^550786450 is an apocalyptic number.

550786450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550786450 is a deficient number, since it is larger than the sum of its proper divisors (475436930).

550786450 is a wasteful number, since it uses less digits than its factorization.

550786450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18942 (or 18937 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 550786450 is about 23468.8399798541. The cubic root of 550786450 is about 819.7116029242.

The spelling of 550786450 in words is "five hundred fifty million, seven hundred eighty-six thousand, four hundred fifty".