550811078 has 4 divisors (see below), whose sum is σ = 826216620. Its totient is φ = 275405538.

The previous prime is 550811059. The next prime is 550811137. The reversal of 550811078 is 870118055.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137702768 + ... + 137702771.

It is an arithmetic number, because the mean of its divisors is an integer number (206554155).

Almost surely, 2^550811078 is an apocalyptic number.

550811078 is a deficient number, since it is larger than the sum of its proper divisors (275405542).

550811078 is a wasteful number, since it uses less digits than its factorization.

550811078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275405541.

The product of its (nonzero) digits is 11200, while the sum is 35.

The square root of 550811078 is about 23469.3646697136. The cubic root of 550811078 is about 819.7238203371.

The spelling of 550811078 in words is "five hundred fifty million, eight hundred eleven thousand, seventy-eight".