10556290 has 32 divisors (see below), whose sum is σ = 19926000. Its totient is φ = 4021248.

The previous prime is 10556281. The next prime is 10556291. The reversal of 10556290 is 9265501.

It can be written as a sum of positive squares in 8 ways, for example, as 5480281 + 5076009 = 2341^2 + 2253^2 .

It is a super-2 number, since 2×10556290² = 222870517128200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10556291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25606 + ... + 26014.

Almost surely, 2^10556290 is an apocalyptic number.

10556290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10556290 is a deficient number, since it is larger than the sum of its proper divisors (9369710).

10556290 is a wasteful number, since it uses less digits than its factorization.

10556290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 10556290 is about 3249.0444749187. The cubic root of 10556290 is about 219.3665663703.

The spelling of 10556290 in words is "ten million, five hundred fifty-six thousand, two hundred ninety".