51043466 has 4 divisors (see below), whose sum is σ = 76565202. Its totient is φ = 25521732.

The previous prime is 51043429. The next prime is 51043493. The reversal of 51043466 is 66434015.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50112241 + 931225 = 7079^2 + 965^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12760865 + ... + 12760868.

Almost surely, 2^51043466 is an apocalyptic number.

51043466 is a deficient number, since it is larger than the sum of its proper divisors (25521736).

51043466 is a wasteful number, since it uses less digits than its factorization.

51043466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25521735.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 51043466 is about 7144.4710091091. The cubic root of 51043466 is about 370.9483003496.

The spelling of 51043466 in words is "fifty-one million, forty-three thousand, four hundred sixty-six".