51422415 has 32 divisors (see below), whose sum is σ = 92192256. Its totient is φ = 24255360.

The previous prime is 51422407. The next prime is 51422419.

51422415 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51422415 - 2³ = 51422407 is a prime.

It is a super-3 number, since 3×51422415³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51422419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1894 + ... + 10316.

It is an arithmetic number, because the mean of its divisors is an integer number (2881008).

Almost surely, 2^51422415 is an apocalyptic number.

51422415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51422415 is a deficient number, since it is larger than the sum of its proper divisors (40769841).

51422415 is a wasteful number, since it uses less digits than its factorization.

51422415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8479.

The product of its digits is 1600, while the sum is 24.

The square root of 51422415 is about 7170.9424066855. The cubic root of 51422415 is about 371.8640169531.

It can be divided in two parts, 5142 and 2415, that added together give a palindrome (7557).

The spelling of 51422415 in words is "fifty-one million, four hundred twenty-two thousand, four hundred fifteen".