52103810 has 72 divisors (see below), whose sum is σ = 110243700. Its totient is φ = 17712640.

The previous prime is 52103801. The next prime is 52103819. The reversal of 52103810 is 1830125.

It is an interprime number because it is at equal distance from previous prime (52103801) and next prime (52103819).

It can be written as a sum of positive squares in 6 ways, for example, as 26388769 + 25715041 = 5137^2 + 5071^2 .

It is a super-2 number, since 2×52103810² = 5429614033032200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (52103819) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 349616 + ... + 349764.

Almost surely, 2^52103810 is an apocalyptic number.

52103810 is an abundant number, since it is smaller than the sum of its proper divisors (58139890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52103810 is a wasteful number, since it uses less digits than its factorization.

52103810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 52103810 is about 7218.2968905414. The cubic root of 52103810 is about 373.4993300574.

Adding to 52103810 its reverse (1830125), we get a palindrome (53933935).

The spelling of 52103810 in words is "fifty-two million, one hundred three thousand, eight hundred ten".