51633101 has 8 divisors (see below), whose sum is σ = 55663104. Its totient is φ = 47611440.

The previous prime is 51633059. The next prime is 51633121. The reversal of 51633101 is 10133615.

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 51633101 - 2⁶ = 51633037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51633121) 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, 17996 + ... + 20666.

It is an arithmetic number, because the mean of its divisors is an integer number (6957888).

Almost surely, 2^51633101 is an apocalyptic number.

It is an amenable number.

51633101 is a deficient number, since it is larger than the sum of its proper divisors (4030003).

51633101 is a wasteful number, since it uses less digits than its factorization.

51633101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 51633101 is about 7185.6176491656. The cubic root of 51633101 is about 372.3711873875.

Adding to 51633101 its reverse (10133615), we get a palindrome (61766716).

The spelling of 51633101 in words is "fifty-one million, six hundred thirty-three thousand, one hundred one".