10551906 has 24 divisors (see below), whose sum is σ = 22961484. Its totient is φ = 3502080.

The previous prime is 10551869. The next prime is 10551913. The reversal of 10551906 is 60915501.

It can be written as a sum of positive squares in 2 ways, for example, as 9090225 + 1461681 = 3015^2 + 1209^2 .

It is a super-2 number, since 2×10551906² = 222685440465672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10551906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3486 + ... + 5766.

Almost surely, 2^10551906 is an apocalyptic number.

10551906 is an abundant number, since it is smaller than the sum of its proper divisors (12409578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10551906 is a wasteful number, since it uses less digits than its factorization.

10551906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546 (or 2543 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 10551906 is about 3248.3697449644. The cubic root of 10551906 is about 219.3361947092.

The spelling of 10551906 in words is "ten million, five hundred fifty-one thousand, nine hundred six".