52261810 has 16 divisors (see below), whose sum is σ = 94153752. Its totient is φ = 20886400.

The previous prime is 52261793. The next prime is 52261817. The reversal of 52261810 is 1816225.

It can be written as a sum of positive squares in 4 ways, for example, as 43811161 + 8450649 = 6619^2 + 2907^2 .

It is a super-2 number, since 2×52261810² = 5462593568952200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52261817) 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, 20190 + ... + 22630.

Almost surely, 2^52261810 is an apocalyptic number.

52261810 is a deficient number, since it is larger than the sum of its proper divisors (41891942).

52261810 is a wasteful number, since it uses less digits than its factorization.

52261810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 52261810 is about 7229.2330160260. The cubic root of 52261810 is about 373.8764831808.

The spelling of 52261810 in words is "fifty-two million, two hundred sixty-one thousand, eight hundred ten".