51336466 has 4 divisors (see below), whose sum is σ = 77004702. Its totient is φ = 25668232.

The previous prime is 51336457. The next prime is 51336473. The reversal of 51336466 is 66463315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66463315 = 5 ⋅13292663.

It can be written as a sum of positive squares in only one way, i.e., 29387241 + 21949225 = 5421^2 + 4685^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12834115 + ... + 12834118.

Almost surely, 2^51336466 is an apocalyptic number.

51336466 is a deficient number, since it is larger than the sum of its proper divisors (25668236).

51336466 is a wasteful number, since it uses less digits than its factorization.

51336466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25668235.

The product of its digits is 38880, while the sum is 34.

The square root of 51336466 is about 7164.9470339982. The cubic root of 51336466 is about 371.6567197787.

The spelling of 51336466 in words is "fifty-one million, three hundred thirty-six thousand, four hundred sixty-six".