51312414 has 32 divisors (see below), whose sum is σ = 106063776. Its totient is φ = 16536960.

The previous prime is 51312413. The next prime is 51312421. The reversal of 51312414 is 41421315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51312413) 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, 39544 + ... + 40820.

It is an arithmetic number, because the mean of its divisors is an integer number (3314493).

Almost surely, 2^51312414 is an apocalyptic number.

51312414 is an abundant number, since it is smaller than the sum of its proper divisors (54751362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51312414 is a wasteful number, since it uses less digits than its factorization.

51312414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500.

The product of its digits is 480, while the sum is 21.

The square root of 51312414 is about 7163.2683881033. The cubic root of 51312414 is about 371.5986682315.

Adding to 51312414 its reverse (41421315), we get a palindrome (92733729).

The spelling of 51312414 in words is "fifty-one million, three hundred twelve thousand, four hundred fourteen".