10055399 has 4 divisors (see below), whose sum is σ = 10127880. Its totient is φ = 9982920.

The previous prime is 10055387. The next prime is 10055401. The reversal of 10055399 is 99355001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10055399 - 2¹² = 10051303 is a prime.

It is a super-2 number, since 2×10055399² = 202222098098402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10055329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36032 + ... + 36309.

It is an arithmetic number, because the mean of its divisors is an integer number (2531970).

Almost surely, 2^10055399 is an apocalyptic number.

10055399 is a deficient number, since it is larger than the sum of its proper divisors (72481).

10055399 is an equidigital number, since it uses as much as digits as its factorization.

10055399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72480.

The product of its (nonzero) digits is 6075, while the sum is 32.

The square root of 10055399 is about 3171.0249131787. The cubic root of 10055399 is about 215.8405816733.

The spelling of 10055399 in words is "ten million, fifty-five thousand, three hundred ninety-nine".