51163415 has 16 divisors (see below), whose sum is σ = 63316512. Its totient is φ = 39659904.

The previous prime is 51163403. The next prime is 51163417. The reversal of 51163415 is 51436115.

It is a cyclic number.

It is not a de Polignac number, because 51163415 - 2⁶ = 51163351 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 (51163417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63797 + ... + 64593.

It is an arithmetic number, because the mean of its divisors is an integer number (3957282).

Almost surely, 2^51163415 is an apocalyptic number.

51163415 is a deficient number, since it is larger than the sum of its proper divisors (12153097).

51163415 is a wasteful number, since it uses less digits than its factorization.

51163415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186.

The product of its digits is 1800, while the sum is 26.

The square root of 51163415 is about 7152.8606165645. The cubic root of 51163415 is about 371.2386415900.

The spelling of 51163415 in words is "fifty-one million, one hundred sixty-three thousand, four hundred fifteen".