52100004 has 96 divisors (see below), whose sum is σ = 138733056. Its totient is φ = 15079680.

The previous prime is 52100003. The next prime is 52100023. The reversal of 52100004 is 40000125.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (52100003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380224 + ... + 380360.

It is an arithmetic number, because the mean of its divisors is an integer number (1445136).

Almost surely, 2^52100004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52100004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69366528).

52100004 is an abundant number, since it is smaller than the sum of its proper divisors (86633052).

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

52100004 is a wasteful number, since it uses less digits than its factorization.

52100004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 52100004 is about 7218.0332501312. The cubic root of 52100004 is about 373.4902355653.

Adding to 52100004 its reverse (40000125), we get a palindrome (92100129).

The spelling of 52100004 in words is "fifty-two million, one hundred thousand, four".