10509055 has 4 divisors (see below), whose sum is σ = 12610872. Its totient is φ = 8407240.

The previous prime is 10509029. The next prime is 10509097. The reversal of 10509055 is 55090501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10509055 - 2¹⁵ = 10476287 is a prime.

It is a super-2 number, since 2×10509055² = 220880473986050, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050901 + ... + 1050910.

It is an arithmetic number, because the mean of its divisors is an integer number (3152718).

Almost surely, 2^10509055 is an apocalyptic number.

10509055 is a deficient number, since it is larger than the sum of its proper divisors (2101817).

10509055 is an equidigital number, since it uses as much as digits as its factorization.

10509055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101816.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 10509055 is about 3241.7672649344. The cubic root of 10509055 is about 219.0388858064.

Adding to 10509055 its reverse (55090501), we get a palindrome (65599556).

It can be divided in two parts, 1050905 and 5, that multiplied together give a palindrome (5254525).

The spelling of 10509055 in words is "ten million, five hundred nine thousand, fifty-five".