53640202 has 48 divisors (see below), whose sum is σ = 108148608. Its totient is φ = 19662720.

The previous prime is 53640193. The next prime is 53640271. The reversal of 53640202 is 20204635.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16863 + ... + 19789.

It is an arithmetic number, because the mean of its divisors is an integer number (2253096).

Almost surely, 2^53640202 is an apocalyptic number.

53640202 is an abundant number, since it is smaller than the sum of its proper divisors (54508406).

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

53640202 is a wasteful number, since it uses less digits than its factorization.

53640202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971 (or 2964 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 53640202 is about 7323.9471598312. The cubic root of 53640202 is about 377.1349675177.

Adding to 53640202 its reverse (20204635), we get a palindrome (73844837).

The spelling of 53640202 in words is "fifty-three million, six hundred forty thousand, two hundred two".