10155506 has 4 divisors (see below), whose sum is σ = 15233262. Its totient is φ = 5077752.

The previous prime is 10155503. The next prime is 10155517. The reversal of 10155506 is 60555101.

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

It can be written as a sum of positive squares in only one way, i.e., 7890481 + 2265025 = 2809^2 + 1505^2 .

It is not an unprimeable number, because it can be changed into a prime (10155503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2538875 + ... + 2538878.

Almost surely, 2^10155506 is an apocalyptic number.

10155506 is a deficient number, since it is larger than the sum of its proper divisors (5077756).

10155506 is an equidigital number, since it uses as much as digits as its factorization.

10155506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077755.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 10155506 is about 3186.7704655340. The cubic root of 10155506 is about 216.5544881495.

The spelling of 10155506 in words is "ten million, one hundred fifty-five thousand, five hundred six".