5555621145 has 8 divisors (see below), whose sum is σ = 8888993856. Its totient is φ = 2962997936.

The previous prime is 5555621119. The next prime is 5555621213. The reversal of 5555621145 is 5411265555.

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 5555621145 - 2²⁷ = 5421403417 is a prime.

It is a super-2 number, since 2×5555621145² = 61729852613542222050, which contains 22 as substring.

It is an unprimeable number.

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, 185187357 + ... + 185187386.

It is an arithmetic number, because the mean of its divisors is an integer number (1111124232).

Almost surely, 2^5555621145 is an apocalyptic number.

It is an amenable number.

5555621145 is a deficient number, since it is larger than the sum of its proper divisors (3333372711).

5555621145 is a wasteful number, since it uses less digits than its factorization.

5555621145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370374751.

The product of its digits is 150000, while the sum is 39.

The square root of 5555621145 is about 74536.0392360635. The cubic root of 5555621145 is about 1771.1045851954.

The spelling of 5555621145 in words is "five billion, five hundred fifty-five million, six hundred twenty-one thousand, one hundred forty-five".