51414442 has 8 divisors (see below), whose sum is σ = 77261796. Its totient is φ = 25660512.

The previous prime is 51414431. The next prime is 51414449. The reversal of 51414442 is 24441415.

It can be written as a sum of positive squares in 2 ways, for example, as 51394561 + 19881 = 7169^2 + 141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51414449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21963 + ... + 24190.

Almost surely, 2^51414442 is an apocalyptic number.

51414442 is a deficient number, since it is larger than the sum of its proper divisors (25847354).

51414442 is a wasteful number, since it uses less digits than its factorization.

51414442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46712.

The product of its digits is 2560, while the sum is 25.

The square root of 51414442 is about 7170.3864609936. The cubic root of 51414442 is about 371.8447968973.

Adding to 51414442 its reverse (24441415), we get a palindrome (75855857).

The spelling of 51414442 in words is "fifty-one million, four hundred fourteen thousand, four hundred forty-two".