550555015 has 8 divisors (see below), whose sum is σ = 676030608. Its totient is φ = 430200960.

The previous prime is 550555007. The next prime is 550555021. The reversal of 550555015 is 510555055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550555015 - 2³ = 550555007 is a prime.

It is a super-2 number, since 2×550555015² = 606221649083300450, which contains 22 as substring.

It is a Duffinian number.

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, 1280146 + ... + 1280575.

It is an arithmetic number, because the mean of its divisors is an integer number (84503826).

Almost surely, 2^550555015 is an apocalyptic number.

550555015 is a deficient number, since it is larger than the sum of its proper divisors (125475593).

550555015 is a wasteful number, since it uses less digits than its factorization.

550555015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560769.

The product of its (nonzero) digits is 15625, while the sum is 31.

The square root of 550555015 is about 23463.9087749676. The cubic root of 550555015 is about 819.5967752795.

The spelling of 550555015 in words is "five hundred fifty million, five hundred fifty-five thousand, fifteen".