10005554 has 16 divisors (see below), whose sum is σ = 17114328. Its totient is φ = 4346112.

The previous prime is 10005539. The next prime is 10005559. The reversal of 10005554 is 45550001.

It can be written as a sum of positive squares in 4 ways, for example, as 7166329 + 2839225 = 2677^2 + 1685^2 .

It is a super-2 number, since 2×10005554² = 200222221693832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10005559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10877 + ... + 11760.

Almost surely, 2^10005554 is an apocalyptic number.

10005554 is a deficient number, since it is larger than the sum of its proper divisors (7108774).

10005554 is a wasteful number, since it uses less digits than its factorization.

10005554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22669.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 10005554 is about 3163.1557027753. The cubic root of 10005554 is about 215.4833473888.

Adding to 10005554 its reverse (45550001), we get a palindrome (55555555).

The spelling of 10005554 in words is "ten million, five thousand, five hundred fifty-four".