550064645 has 16 divisors (see below), whose sum is σ = 711389952. Its totient is φ = 405894720.

The previous prime is 550064639. The next prime is 550064657. The reversal of 550064645 is 546460055.

It is not a de Polignac number, because 550064645 - 2⁴ = 550064629 is a prime.

It is a super-2 number, since 2×550064645² = 605142227357952050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119354 + ... + 123876.

It is an arithmetic number, because the mean of its divisors is an integer number (44461872).

Almost surely, 2^550064645 is an apocalyptic number.

It is an amenable number.

550064645 is a deficient number, since it is larger than the sum of its proper divisors (161325307).

550064645 is a wasteful number, since it uses less digits than its factorization.

550064645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 550064645 is about 23453.4569946522. The cubic root of 550064645 is about 819.3533693574.

The spelling of 550064645 in words is "five hundred fifty million, sixty-four thousand, six hundred forty-five".