51233601 has 8 divisors (see below), whose sum is σ = 68360544. Its totient is φ = 34131200.

The previous prime is 51233591. The next prime is 51233617. The reversal of 51233601 is 10633215.

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 51233601 - 2⁵ = 51233569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51233621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531 + ... + 10136.

It is an arithmetic number, because the mean of its divisors is an integer number (8545068).

Almost surely, 2^51233601 is an apocalyptic number.

It is an amenable number.

51233601 is a deficient number, since it is larger than the sum of its proper divisors (17126943).

51233601 is a wasteful number, since it uses less digits than its factorization.

51233601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12271.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 51233601 is about 7157.7650841586. The cubic root of 51233601 is about 371.4083191479.

Adding to 51233601 its reverse (10633215), we get a palindrome (61866816).

The spelling of 51233601 in words is "fifty-one million, two hundred thirty-three thousand, six hundred one".