5502778121 has 8 divisors (see below), whose sum is σ = 5654319744. Its totient is φ = 5351384880.

The previous prime is 5502778117. The next prime is 5502778123. The reversal of 5502778121 is 1218772055.

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

It is a cyclic number.

It is not a de Polignac number, because 5502778121 - 2² = 5502778117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5502778123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40286 + ... + 112376.

It is an arithmetic number, because the mean of its divisors is an integer number (706789968).

Almost surely, 2^5502778121 is an apocalyptic number.

It is an amenable number.

5502778121 is a deficient number, since it is larger than the sum of its proper divisors (151541623).

5502778121 is a wasteful number, since it uses less digits than its factorization.

5502778121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74191.

The product of its (nonzero) digits is 39200, while the sum is 38.

The square root of 5502778121 is about 74180.7125943125. The cubic root of 5502778121 is about 1765.4713217228.

The spelling of 5502778121 in words is "five billion, five hundred two million, seven hundred seventy-eight thousand, one hundred twenty-one".