51632202 has 16 divisors (see below), whose sum is σ = 105783552. Its totient is φ = 16790880.

The previous prime is 51632201. The next prime is 51632221. The reversal of 51632202 is 20223615.

It is not an unprimeable number, because it can be changed into a prime (51632201) 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, 104698 + ... + 105189.

It is an arithmetic number, because the mean of its divisors is an integer number (6611472).

Almost surely, 2^51632202 is an apocalyptic number.

51632202 is an abundant number, since it is smaller than the sum of its proper divisors (54151350).

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

51632202 is a wasteful number, since it uses less digits than its factorization.

51632202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209933.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 51632202 is about 7185.5550933801. Note that the first 3 decimals coincide. The cubic root of 51632202 is about 372.3690262180.

Adding to 51632202 its reverse (20223615), we get a palindrome (71855817).

The spelling of 51632202 in words is "fifty-one million, six hundred thirty-two thousand, two hundred two".