5550000078 has 16 divisors (see below), whose sum is σ = 12685714560. Its totient is φ = 1585714296.

The previous prime is 5550000041. The next prime is 5550000089. The reversal of 5550000078 is 8700000555.

It is a happy number.

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 in 7 ways as a sum of consecutive naturals, for example, 66071388 + ... + 66071471.

It is an arithmetic number, because the mean of its divisors is an integer number (792857160).

Almost surely, 2^5550000078 is an apocalyptic number.

5550000078 is an abundant number, since it is smaller than the sum of its proper divisors (7135714482).

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

5550000078 is a wasteful number, since it uses less digits than its factorization.

5550000078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132142871.

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 5550000078 is about 74498.3226522584. The cubic root of 5550000078 is about 1770.5070608288.

The spelling of 5550000078 in words is "five billion, five hundred fifty million, seventy-eight", and thus it is an aban number.