51842001 has 4 divisors (see below), whose sum is σ = 69122672. Its totient is φ = 34561332.

The previous prime is 51841997. The next prime is 51842039. The reversal of 51842001 is 10024815.

51842001 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 not a de Polignac number, because 51842001 - 2² = 51841997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51842041) 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, 8640331 + ... + 8640336.

It is an arithmetic number, because the mean of its divisors is an integer number (17280668).

Almost surely, 2^51842001 is an apocalyptic number.

It is an amenable number.

51842001 is a deficient number, since it is larger than the sum of its proper divisors (17280671).

51842001 is a wasteful number, since it uses less digits than its factorization.

51842001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17280670.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 51842001 is about 7200.1389569924. The cubic root of 51842001 is about 372.8726981622.

Adding to 51842001 its reverse (10024815), we get a palindrome (61866816).

The spelling of 51842001 in words is "fifty-one million, eight hundred forty-two thousand, one".