53117204 has 24 divisors (see below), whose sum is σ = 106471680. Its totient is φ = 22713696.

The previous prime is 53117201. The next prime is 53117219. The reversal of 53117204 is 40271135.

It is a self number, because there is not a number n which added to its sum of digits gives 53117204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53117201) 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, 12389 + ... + 16115.

It is an arithmetic number, because the mean of its divisors is an integer number (4436320).

Almost surely, 2^53117204 is an apocalyptic number.

It is an amenable number.

53117204 is an abundant number, since it is smaller than the sum of its proper divisors (53354476).

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

53117204 is a wasteful number, since it uses less digits than its factorization.

53117204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247 (or 4245 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 53117204 is about 7288.1550477470. The cubic root of 53117204 is about 375.9052594410.

Adding to 53117204 its reverse (40271135), we get a palindrome (93388339).

The spelling of 53117204 in words is "fifty-three million, one hundred seventeen thousand, two hundred four".