51061466 has 4 divisors (see below), whose sum is σ = 76592202. Its totient is φ = 25530732.

The previous prime is 51061457. The next prime is 51061477. The reversal of 51061466 is 66416015.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66416015 = 5 ⋅13283203.

It can be written as a sum of positive squares in only one way, i.e., 31125241 + 19936225 = 5579^2 + 4465^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12765365 + ... + 12765368.

Almost surely, 2^51061466 is an apocalyptic number.

51061466 is a deficient number, since it is larger than the sum of its proper divisors (25530736).

51061466 is a wasteful number, since it uses less digits than its factorization.

51061466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25530735.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 51061466 is about 7145.7306134502. The cubic root of 51061466 is about 370.9918990392.

The spelling of 51061466 in words is "fifty-one million, sixty-one thousand, four hundred sixty-six".