51439114 has 8 divisors (see below), whose sum is σ = 77585508. Its totient is φ = 25577280.

The previous prime is 51439111. The next prime is 51439147. The reversal of 51439114 is 41193415.

It can be written as a sum of positive squares in 2 ways, for example, as 41409225 + 10029889 = 6435^2 + 3167^2 .

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 (51439111) 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, 70687 + ... + 71410.

Almost surely, 2^51439114 is an apocalyptic number.

51439114 is a deficient number, since it is larger than the sum of its proper divisors (26146394).

51439114 is a wasteful number, since it uses less digits than its factorization.

51439114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142280.

The product of its digits is 2160, while the sum is 28.

The square root of 51439114 is about 7172.1066640144. The cubic root of 51439114 is about 371.9042658417.

The spelling of 51439114 in words is "fifty-one million, four hundred thirty-nine thousand, one hundred fourteen".