51636102 has 24 divisors (see below), whose sum is σ = 120133656. Its totient is φ = 14753088.

The previous prime is 51636023. The next prime is 51636121. The reversal of 51636102 is 20163615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87523 + ... + 88110.

It is an arithmetic number, because the mean of its divisors is an integer number (5005569).

Almost surely, 2^51636102 is an apocalyptic number.

51636102 is an abundant number, since it is smaller than the sum of its proper divisors (68497554).

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

51636102 is a wasteful number, since it uses less digits than its factorization.

51636102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175652 (or 175645 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 51636102 is about 7185.8264660372. The cubic root of 51636102 is about 372.3784015212.

Adding to 51636102 its reverse (20163615), we get a palindrome (71799717).

The spelling of 51636102 in words is "fifty-one million, six hundred thirty-six thousand, one hundred two".