51008001 has 16 divisors (see below), whose sum is σ = 74350848. Its totient is φ = 30848400.

The previous prime is 51007993. The next prime is 51008003. The reversal of 51008001 is 10080015.

It is a happy number.

It is not a de Polignac number, because 51008001 - 2³ = 51007993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51008003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17490 + ... + 20196.

It is an arithmetic number, because the mean of its divisors is an integer number (4646928).

Almost surely, 2^51008001 is an apocalyptic number.

It is an amenable number.

51008001 is a deficient number, since it is larger than the sum of its proper divisors (23342847).

51008001 is a wasteful number, since it uses less digits than its factorization.

51008001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 51008001 is about 7141.9885886215. The cubic root of 51008001 is about 370.8623688188.

Adding to 51008001 its reverse (10080015), we get a palindrome (61088016).

The spelling of 51008001 in words is "fifty-one million, eight thousand, one".