550053907 has 4 divisors (see below), whose sum is σ = 592365760. Its totient is φ = 507742056.

The previous prime is 550053899. The next prime is 550053919. The reversal of 550053907 is 709350055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 709350055 = 5 ⋅141870011.

It is a cyclic number.

It is not a de Polignac number, because 550053907 - 2³ = 550053899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550053107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21155907 + ... + 21155932.

It is an arithmetic number, because the mean of its divisors is an integer number (148091440).

Almost surely, 2^550053907 is an apocalyptic number.

550053907 is a deficient number, since it is larger than the sum of its proper divisors (42311853).

550053907 is a wasteful number, since it uses less digits than its factorization.

550053907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42311852.

The product of its (nonzero) digits is 23625, while the sum is 34.

The square root of 550053907 is about 23453.2280720587. The cubic root of 550053907 is about 819.3480376969.

The spelling of 550053907 in words is "five hundred fifty million, fifty-three thousand, nine hundred seven".