51214401 has 48 divisors (see below), whose sum is σ = 88018944. Its totient is φ = 28086912.

The previous prime is 51214337. The next prime is 51214409. The reversal of 51214401 is 10441215.

51214401 is a `hidden beast` number, since 51 + 214 + 401 = 666.

It is not a de Polignac number, because 51214401 - 2⁶ = 51214337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51214409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 295951 + ... + 296123.

It is an arithmetic number, because the mean of its divisors is an integer number (1833728).

Almost surely, 2^51214401 is an apocalyptic number.

It is an amenable number.

51214401 is a deficient number, since it is larger than the sum of its proper divisors (36804543).

51214401 is a wasteful number, since it uses less digits than its factorization.

51214401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 51214401 is about 7156.4237577159. The cubic root of 51214401 is about 371.3619177592.

Adding to 51214401 its reverse (10441215), we get a palindrome (61655616).

It can be divided in two parts, 51214 and 401, that added together give a palindrome (51615).

The spelling of 51214401 in words is "fifty-one million, two hundred fourteen thousand, four hundred one".