51214111 has 8 divisors (see below), whose sum is σ = 55494320. Its totient is φ = 46982592.

The previous prime is 51214109. The next prime is 51214127. The reversal of 51214111 is 11141215.

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 51214111 - 2¹ = 51214109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51214181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9966 + ... + 14203.

It is an arithmetic number, because the mean of its divisors is an integer number (6936790).

Almost surely, 2^51214111 is an apocalyptic number.

51214111 is a deficient number, since it is larger than the sum of its proper divisors (4280209).

51214111 is a wasteful number, since it uses less digits than its factorization.

51214111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24345.

The product of its digits is 40, while the sum is 16.

The square root of 51214111 is about 7156.4034961704. The cubic root of 51214111 is about 371.3612168160.

Adding to 51214111 its reverse (11141215), we get a palindrome (62355326).

The spelling of 51214111 in words is "fifty-one million, two hundred fourteen thousand, one hundred eleven".