5555246121 has 12 divisors (see below), whose sum is σ = 8038921072. Its totient is φ = 3696723576.

The previous prime is 5555246117. The next prime is 5555246131. The reversal of 5555246121 is 1216425555.

5555246121 is a `hidden beast` number, since 5 + 5 + 5 + 524 + 6 + 121 = 666.

It is not a de Polignac number, because 5555246121 - 2² = 5555246117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5555246101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559291 + ... + 569136.

Almost surely, 2^5555246121 is an apocalyptic number.

It is an amenable number.

5555246121 is a deficient number, since it is larger than the sum of its proper divisors (2483674951).

5555246121 is a wasteful number, since it uses less digits than its factorization.

5555246121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128980 (or 1128977 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 5555246121 is about 74533.5234709859. The cubic root of 5555246121 is about 1771.0647323656.

The spelling of 5555246121 in words is "five billion, five hundred fifty-five million, two hundred forty-six thousand, one hundred twenty-one".