51641601 has 32 divisors (see below), whose sum is σ = 82529280. Its totient is φ = 28353600.

The previous prime is 51641549. The next prime is 51641621. The reversal of 51641601 is 10614615.

51641601 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 51641601 - 2⁶ = 51641537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51641621) 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 31 ways as a sum of consecutive naturals, for example, 12631 + ... + 16211.

It is an arithmetic number, because the mean of its divisors is an integer number (2579040).

Almost surely, 2^51641601 is an apocalyptic number.

It is an amenable number.

51641601 is a deficient number, since it is larger than the sum of its proper divisors (30887679).

51641601 is a wasteful number, since it uses less digits than its factorization.

51641601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 51641601 is about 7186.2090840721. The cubic root of 51641601 is about 372.3916198966.

The spelling of 51641601 in words is "fifty-one million, six hundred forty-one thousand, six hundred one".