51102001 has 8 divisors (see below), whose sum is σ = 53887680. Its totient is φ = 48325968.

The previous prime is 51101989. The next prime is 51102049. The reversal of 51102001 is 10020115.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51102001 - 2¹⁵ = 51069233 is a prime.

It is a super-2 number, since 2×51102001² = 5222829012408002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51105001) 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, 10215 + ... + 14371.

It is an arithmetic number, because the mean of its divisors is an integer number (6735960).

Almost surely, 2^51102001 is an apocalyptic number.

It is an amenable number.

51102001 is a deficient number, since it is larger than the sum of its proper divisors (2785679).

51102001 is a wasteful number, since it uses less digits than its factorization.

51102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 51102001 is about 7148.5663597675. The cubic root of 51102001 is about 371.0900433623.

Adding to 51102001 its reverse (10020115), we get a palindrome (61122116).

The spelling of 51102001 in words is "fifty-one million, one hundred two thousand, one".