5555421125 has 8 divisors (see below), whose sum is σ = 6933165720. Its totient is φ = 4444336800.

The previous prime is 5555421119. The next prime is 5555421133. The reversal of 5555421125 is 5211245555.

It can be written as a sum of positive squares in 4 ways, for example, as 1078071556 + 4477349569 = 32834^2 + 66913^2 .

It is not a de Polignac number, because 5555421125 - 2⁸ = 5555420869 is a prime.

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, 22221560 + ... + 22221809.

It is an arithmetic number, because the mean of its divisors is an integer number (866645715).

Almost surely, 2^5555421125 is an apocalyptic number.

It is an amenable number.

5555421125 is a deficient number, since it is larger than the sum of its proper divisors (1377744595).

5555421125 is an equidigital number, since it uses as much as digits as its factorization.

5555421125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44443384 (or 44443374 counting only the distinct ones).

The product of its digits is 50000, while the sum is 35.

The square root of 5555421125 is about 74534.6974569562. The cubic root of 5555421125 is about 1771.0833298109.

The spelling of 5555421125 in words is "five billion, five hundred fifty-five million, four hundred twenty-one thousand, one hundred twenty-five".