51450914 has 4 divisors (see below), whose sum is σ = 77176374. Its totient is φ = 25725456.

The previous prime is 51450913. The next prime is 51450923. The reversal of 51450914 is 41905415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41905415 = 5 ⋅8381083.

It can be written as a sum of positive squares in only one way, i.e., 37515625 + 13935289 = 6125^2 + 3733^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51450913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12862727 + ... + 12862730.

Almost surely, 2^51450914 is an apocalyptic number.

51450914 is a deficient number, since it is larger than the sum of its proper divisors (25725460).

51450914 is a wasteful number, since it uses less digits than its factorization.

51450914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25725459.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 51450914 is about 7172.9292482221. The cubic root of 51450914 is about 371.9327016270.

The spelling of 51450914 in words is "fifty-one million, four hundred fifty thousand, nine hundred fourteen".