10554865 has 4 divisors (see below), whose sum is σ = 12665844. Its totient is φ = 8443888.

The previous prime is 10554857. The next prime is 10554871. The reversal of 10554865 is 56845501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56845501 = 17 ⋅3343853.

It can be written as a sum of positive squares in 2 ways, for example, as 4359744 + 6195121 = 2088^2 + 2489^2 .

It is a cyclic number.

It is not a de Polignac number, because 10554865 - 2³ = 10554857 is a prime.

It is a super-2 number, since 2×10554865² = 222810350336450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10554865.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055482 + ... + 1055491.

It is an arithmetic number, because the mean of its divisors is an integer number (3166461).

Almost surely, 2^10554865 is an apocalyptic number.

It is an amenable number.

10554865 is a deficient number, since it is larger than the sum of its proper divisors (2110979).

10554865 is an equidigital number, since it uses as much as digits as its factorization.

10554865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110978.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 10554865 is about 3248.8251722738. The cubic root of 10554865 is about 219.3566951174.

The spelling of 10554865 in words is "ten million, five hundred fifty-four thousand, eight hundred sixty-five".