10550387 has 8 divisors (see below), whose sum is σ = 11329632. Its totient is φ = 9788800.

The previous prime is 10550363. The next prime is 10550389. The reversal of 10550387 is 78305501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10550387 - 2⁸ = 10550131 is a prime.

It is a super-2 number, since 2×10550387² = 222621331699538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10550389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3164 + ... + 5577.

It is an arithmetic number, because the mean of its divisors is an integer number (1416204).

Almost surely, 2^10550387 is an apocalyptic number.

10550387 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

10550387 is a deficient number, since it is larger than the sum of its proper divisors (779245).

10550387 is an equidigital number, since it uses as much as digits as its factorization.

10550387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8829.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 10550387 is about 3248.1359269587. The cubic root of 10550387 is about 219.3256693542.

Adding to 10550387 its reverse (78305501), we get a palindrome (88855888).

The spelling of 10550387 in words is "ten million, five hundred fifty thousand, three hundred eighty-seven".