51636101 has 8 divisors (see below), whose sum is σ = 56435808. Its totient is φ = 46854000.

The previous prime is 51636023. The next prime is 51636121. The reversal of 51636101 is 10163615.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51636101 - 2¹⁴ = 51619717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51636121) 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, 2171 + ... + 10391.

It is an arithmetic number, because the mean of its divisors is an integer number (7054476).

Almost surely, 2^51636101 is an apocalyptic number.

It is an amenable number.

51636101 is a deficient number, since it is larger than the sum of its proper divisors (4799707).

51636101 is a wasteful number, since it uses less digits than its factorization.

51636101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8803.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 51636101 is about 7185.8263964557. The cubic root of 51636101 is about 372.3783991173.

Adding to 51636101 its reverse (10163615), we get a palindrome (61799716).

The spelling of 51636101 in words is "fifty-one million, six hundred thirty-six thousand, one hundred one".