51632001 has 12 divisors (see below), whose sum is σ = 74688640. Its totient is φ = 34371000.

The previous prime is 51631961. The next prime is 51632039. The reversal of 51632001 is 10023615.

51632001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51632001 - 2¹³ = 51623809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51632041) 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 11 ways as a sum of consecutive naturals, for example, 2940 + ... + 10578.

Almost surely, 2^51632001 is an apocalyptic number.

It is an amenable number.

51632001 is a deficient number, since it is larger than the sum of its proper divisors (23056639).

51632001 is a wasteful number, since it uses less digits than its factorization.

51632001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8396 (or 8393 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 51632001 is about 7185.5411069731. The cubic root of 51632001 is about 372.3685430166.

Adding to 51632001 its reverse (10023615), we get a palindrome (61655616).

The spelling of 51632001 in words is "fifty-one million, six hundred thirty-two thousand, one".