2150550555 has 8 divisors (see below), whose sum is σ = 3440880912. Its totient is φ = 1146960288.

The previous prime is 2150550551. The next prime is 2150550583. The reversal of 2150550555 is 5550550512.

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

It is not a de Polignac number, because 2150550555 - 2² = 2150550551 is a prime.

It is a super-2 number, since 2×2150550555² = 9249735379221616050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2150550551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71685004 + ... + 71685033.

It is an arithmetic number, because the mean of its divisors is an integer number (430110114).

Almost surely, 2^2150550555 is an apocalyptic number.

2150550555 is a deficient number, since it is larger than the sum of its proper divisors (1290330357).

2150550555 is a wasteful number, since it uses less digits than its factorization.

2150550555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143370045.

The product of its (nonzero) digits is 31250, while the sum is 33.

The square root of 2150550555 is about 46374.0288847109. The cubic root of 2150550555 is about 1290.7730388535.

The spelling of 2150550555 in words is "two billion, one hundred fifty million, five hundred fifty thousand, five hundred fifty-five".