10550385 has 32 divisors (see below), whose sum is σ = 19368960. Its totient is φ = 5443200.

The previous prime is 10550363. The next prime is 10550389. The reversal of 10550385 is 58305501.

10550385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10550385 - 2⁸ = 10550129 is a prime.

It is a super-2 number, since 2×10550385² = 222621247296450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2925 + ... + 5445.

It is an arithmetic number, because the mean of its divisors is an integer number (605280).

Almost surely, 2^10550385 is an apocalyptic number.

10550385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10550385 is a deficient number, since it is larger than the sum of its proper divisors (8818575).

10550385 is a wasteful number, since it uses less digits than its factorization.

10550385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566 (or 2560 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 10550385 is about 3248.1356190898. The cubic root of 10550385 is about 219.3256554953.

Adding to 10550385 its reverse (58305501), we get a palindrome (68855886).

The spelling of 10550385 in words is "ten million, five hundred fifty thousand, three hundred eighty-five".