10555387 has 2 divisors, whose sum is σ = 10555388. Its totient is φ = 10555386.

The previous prime is 10555373. The next prime is 10555399. The reversal of 10555387 is 78355501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10555387 - 2¹¹ = 10553339 is a prime.

It is a super-2 number, since 2×10555387² = 222832389439538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10555187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5277693 + 5277694.

It is an arithmetic number, because the mean of its divisors is an integer number (5277694).

Almost surely, 2^10555387 is an apocalyptic number.

10555387 is a deficient number, since it is larger than the sum of its proper divisors (1).

10555387 is an equidigital number, since it uses as much as digits as its factorization.

10555387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 10555387 is about 3248.9055080134. The cubic root of 10555387 is about 219.3603112163.

The spelling of 10555387 in words is "ten million, five hundred fifty-five thousand, three hundred eighty-seven".