550064040 has 32 divisors (see below), whose sum is σ = 1650192480. Its totient is φ = 146683712.

The previous prime is 550064033. The next prime is 550064057. The reversal of 550064040 is 40460055.

It is a super-2 number, since 2×550064040² = 605140896202243200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 550064040.

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, 2291814 + ... + 2292053.

It is an arithmetic number, because the mean of its divisors is an integer number (51568515).

Almost surely, 2^550064040 is an apocalyptic number.

It is an amenable number.

550064040 is an abundant number, since it is smaller than the sum of its proper divisors (1100128440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550064040 is a wasteful number, since it uses less digits than its factorization.

550064040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583881 (or 4583877 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 550064040 is about 23453.4440967633. Note that the first 3 decimals coincide. The cubic root of 550064040 is about 819.3530689630.

The spelling of 550064040 in words is "five hundred fifty million, sixty-four thousand, forty".