51963074 has 4 divisors (see below), whose sum is σ = 77944614. Its totient is φ = 25981536.

The previous prime is 51963073. The next prime is 51963089. The reversal of 51963074 is 47036915.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47036915 = 5 ⋅9407383.

It can be written as a sum of positive squares in only one way, i.e., 27112849 + 24850225 = 5207^2 + 4985^2 .

It is a super-2 number, since 2×51963074² = 5400322119058952, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51963073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12990767 + ... + 12990770.

Almost surely, 2^51963074 is an apocalyptic number.

51963074 is a deficient number, since it is larger than the sum of its proper divisors (25981540).

51963074 is a wasteful number, since it uses less digits than its factorization.

51963074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25981539.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 51963074 is about 7208.5417387985. The cubic root of 51963074 is about 373.1627443073.

Adding to 51963074 its reverse (47036915), we get a palindrome (98999989).

The spelling of 51963074 in words is "fifty-one million, nine hundred sixty-three thousand, seventy-four".