51936361 has 8 divisors (see below), whose sum is σ = 54465480. Its totient is φ = 49456512.

The previous prime is 51936341. The next prime is 51936371. The reversal of 51936361 is 16363915.

51936361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 670761 + 51265600 = 819^2 + 7160^2 .

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 51936361 - 2⁷ = 51936233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51936331) 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, 10150 + ... + 14383.

It is an arithmetic number, because the mean of its divisors is an integer number (6808185).

Almost surely, 2^51936361 is an apocalyptic number.

It is an amenable number.

51936361 is a deficient number, since it is larger than the sum of its proper divisors (2529119).

51936361 is a wasteful number, since it uses less digits than its factorization.

51936361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24635.

The product of its digits is 14580, while the sum is 34.

The square root of 51936361 is about 7206.6886293221. The cubic root of 51936361 is about 373.0987886027.

The spelling of 51936361 in words is "fifty-one million, nine hundred thirty-six thousand, three hundred sixty-one".