53121352 has 64 divisors (see below), whose sum is σ = 109670400. Its totient is φ = 24045120.

The previous prime is 53121337. The next prime is 53121353. The reversal of 53121352 is 25312135.

It is not an unprimeable number, because it can be changed into a prime (53121353) 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, 382099 + ... + 382237.

It is an arithmetic number, because the mean of its divisors is an integer number (1713600).

Almost surely, 2^53121352 is an apocalyptic number.

It is an amenable number.

53121352 is an abundant number, since it is smaller than the sum of its proper divisors (56549048).

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

53121352 is a wasteful number, since it uses less digits than its factorization.

53121352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 262 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 53121352 is about 7288.4396135250. The cubic root of 53121352 is about 375.9150441831.

Adding to 53121352 its reverse (25312135), we get a palindrome (78433487).

The spelling of 53121352 in words is "fifty-three million, one hundred twenty-one thousand, three hundred fifty-two".