10055021 has 2 divisors, whose sum is σ = 10055022. Its totient is φ = 10055020.

The previous prime is 10055011. The next prime is 10055029. The reversal of 10055021 is 12055001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6832996 + 3222025 = 2614^2 + 1795^2 .

It is a cyclic number.

It is not a de Polignac number, because 10055021 - 2¹⁰ = 10053997 is a prime.

It is a super-3 number, since 3×10055021³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10054987 and 10055005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10055029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5027510 + 5027511.

It is an arithmetic number, because the mean of its divisors is an integer number (5027511).

Almost surely, 2^10055021 is an apocalyptic number.

It is an amenable number.

10055021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10055021 is an equidigital number, since it uses as much as digits as its factorization.

10055021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 10055021 is about 3170.9653104378. The cubic root of 10055021 is about 215.8378770313.

The spelling of 10055021 in words is "ten million, fifty-five thousand, twenty-one".