7216055555 has 8 divisors (see below), whose sum is σ = 8870468544. Its totient is φ = 5632043200.

The previous prime is 7216055537. The next prime is 7216055599. The reversal of 7216055555 is 5555506127.

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

It is not a de Polignac number, because 7216055555 - 2⁶ = 7216055491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian 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, 17599931 + ... + 17600340.

It is an arithmetic number, because the mean of its divisors is an integer number (1108808568).

Almost surely, 2^7216055555 is an apocalyptic number.

7216055555 is a deficient number, since it is larger than the sum of its proper divisors (1654412989).

7216055555 is a wasteful number, since it uses less digits than its factorization.

7216055555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35200317.

The product of its (nonzero) digits is 262500, while the sum is 41.

The square root of 7216055555 is about 84947.3693235994. The cubic root of 7216055555 is about 1932.4130247419.

The spelling of 7216055555 in words is "seven billion, two hundred sixteen million, fifty-five thousand, five hundred fifty-five".