5055212021 has 16 divisors (see below), whose sum is σ = 5600047104. Its totient is φ = 4538966784.

The previous prime is 5055212003. The next prime is 5055212023. The reversal of 5055212021 is 1202125505.

It is a cyclic number.

It is not a de Polignac number, because 5055212021 - 2¹⁸ = 5054949877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5055212023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132875 + ... + 166631.

It is an arithmetic number, because the mean of its divisors is an integer number (350002944).

Almost surely, 2^5055212021 is an apocalyptic number.

It is an amenable number.

5055212021 is a deficient number, since it is larger than the sum of its proper divisors (544835083).

5055212021 is a wasteful number, since it uses less digits than its factorization.

5055212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34180.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 5055212021 is about 71100.0142123755. The cubic root of 5055212021 is about 1716.2470023555.

Adding to 5055212021 its reverse (1202125505), we get a palindrome (6257337526).

The spelling of 5055212021 in words is "five billion, fifty-five million, two hundred twelve thousand, twenty-one".