51646201 has 8 divisors (see below), whose sum is σ = 54319104. Its totient is φ = 49008960.

The previous prime is 51646193. The next prime is 51646207. The reversal of 51646201 is 10264615.

51646201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51646201 - 2³ = 51646193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51646207) 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 7 ways as a sum of consecutive naturals, for example, 5920 + ... + 11761.

It is an arithmetic number, because the mean of its divisors is an integer number (6789888).

Almost surely, 2^51646201 is an apocalyptic number.

It is an amenable number.

51646201 is a deficient number, since it is larger than the sum of its proper divisors (2672903).

51646201 is a wasteful number, since it uses less digits than its factorization.

51646201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17831.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 51646201 is about 7186.5291344292. The cubic root of 51646201 is about 372.4026765548.

It can be divided in two parts, 51646 and 201, that multiplied together give a triangular number (10380846 = T₄₅₅₆).

The spelling of 51646201 in words is "fifty-one million, six hundred forty-six thousand, two hundred one".