550000054 has 16 divisors (see below), whose sum is σ = 840153600. Its totient is φ = 269988264.

The previous prime is 550000021. The next prime is 550000091. The reversal of 550000054 is 450000055.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 549999986 and 550000040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18559 + ... + 38005.

It is an arithmetic number, because the mean of its divisors is an integer number (52509600).

Almost surely, 2^550000054 is an apocalyptic number.

550000054 is a deficient number, since it is larger than the sum of its proper divisors (290153546).

550000054 is a wasteful number, since it uses less digits than its factorization.

550000054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19707.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 550000054 is about 23452.0799504010. The cubic root of 550000054 is about 819.3212974148.

Subtracting from 550000054 its reverse (450000055), we obtain a palindrome (99999999).

The spelling of 550000054 in words is "five hundred fifty million, fifty-four", and thus it is an aban number.