51330000001 has 16 divisors (see below), whose sum is σ = 59550905344. Its totient is φ = 43331382864.

The previous prime is 51329999977. The next prime is 51330000019. The reversal of 51330000001 is 10000003315.

It is not a de Polignac number, because 51330000001 - 2⁵ = 51329999969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51330000041) 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, 3163756 + ... + 3179938.

It is an arithmetic number, because the mean of its divisors is an integer number (3721931584).

Almost surely, 2^51330000001 is an apocalyptic number.

51330000001 is the 113281-st decagonal number.

It is an amenable number.

51330000001 is a deficient number, since it is larger than the sum of its proper divisors (8220905343).

51330000001 is a wasteful number, since it uses less digits than its factorization.

51330000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23020.

The product of its (nonzero) digits is 45, while the sum is 13.

Adding to 51330000001 its reverse (10000003315), we get a palindrome (61330003316).

The spelling of 51330000001 in words is "fifty-one billion, three hundred thirty million, one", and thus it is an aban number.