51312410 has 16 divisors (see below), whose sum is σ = 93664512. Its totient is φ = 20235600.

The previous prime is 51312403. The next prime is 51312413. The reversal of 51312410 is 1421315.

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 7 ways as a sum of consecutive naturals, for example, 35426 + ... + 36845.

It is an arithmetic number, because the mean of its divisors is an integer number (5854032).

Almost surely, 2^51312410 is an apocalyptic number.

51312410 is a deficient number, since it is larger than the sum of its proper divisors (42352102).

51312410 is a wasteful number, since it uses less digits than its factorization.

51312410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72349.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 51312410 is about 7163.2681089011. The cubic root of 51312410 is about 371.5986585757.

Adding to 51312410 its reverse (1421315), we get a palindrome (52733725).

The spelling of 51312410 in words is "fifty-one million, three hundred twelve thousand, four hundred ten".