51601849 has 8 divisors (see below), whose sum is σ = 56864192. Its totient is φ = 46524240.

The previous prime is 51601843. The next prime is 51601861. The reversal of 51601849 is 94810615.

51601849 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 51601849 - 2⁷ = 51601721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51601843) 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, 45597 + ... + 46714.

It is an arithmetic number, because the mean of its divisors is an integer number (7108024).

Almost surely, 2^51601849 is an apocalyptic number.

It is an amenable number.

51601849 is a deficient number, since it is larger than the sum of its proper divisors (5262343).

51601849 is a wasteful number, since it uses less digits than its factorization.

51601849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92367.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 51601849 is about 7183.4426983167. The cubic root of 51601849 is about 372.2960437760.

The spelling of 51601849 in words is "fifty-one million, six hundred one thousand, eight hundred forty-nine".