51608001 has 4 divisors (see below), whose sum is σ = 68810672. Its totient is φ = 34405332.

The previous prime is 51607999. The next prime is 51608003. The reversal of 51608001 is 10080615.

51608001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (51607999) and next prime (51608003).

It is not a de Polignac number, because 51608001 - 2¹ = 51607999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51608003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8601331 + ... + 8601336.

It is an arithmetic number, because the mean of its divisors is an integer number (17202668).

Almost surely, 2^51608001 is an apocalyptic number.

It is an amenable number.

51608001 is a deficient number, since it is larger than the sum of its proper divisors (17202671).

51608001 is a wasteful number, since it uses less digits than its factorization.

51608001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17202670.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 51608001 is about 7183.8708924924. The cubic root of 51608001 is about 372.3108382991.

Adding to 51608001 its reverse (10080615), we get a palindrome (61688616).

The spelling of 51608001 in words is "fifty-one million, six hundred eight thousand, one".