51214415 has 16 divisors (see below), whose sum is σ = 70353408. Its totient is φ = 35060256.

The previous prime is 51214409. The next prime is 51214447. The reversal of 51214415 is 51441215.

It is not a de Polignac number, because 51214415 - 2¹² = 51210319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38654 + ... + 39956.

It is an arithmetic number, because the mean of its divisors is an integer number (4397088).

Almost surely, 2^51214415 is an apocalyptic number.

51214415 is a deficient number, since it is larger than the sum of its proper divisors (19138993).

51214415 is a wasteful number, since it uses less digits than its factorization.

51214415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438.

The product of its digits is 800, while the sum is 23.

The square root of 51214415 is about 7156.4247358580. The cubic root of 51214415 is about 371.3619515978.

The spelling of 51214415 in words is "fifty-one million, two hundred fourteen thousand, four hundred fifteen".