51461467 has 4 divisors (see below), whose sum is σ = 51491520. Its totient is φ = 51431416.

The previous prime is 51461461. The next prime is 51461477. The reversal of 51461467 is 76416415.

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

It is a cyclic number.

It is not a de Polignac number, because 51461467 - 2¹⁹ = 50937179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51461461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12292 + ... + 15937.

It is an arithmetic number, because the mean of its divisors is an integer number (12872880).

Almost surely, 2^51461467 is an apocalyptic number.

51461467 is a deficient number, since it is larger than the sum of its proper divisors (30053).

51461467 is a wasteful number, since it uses less digits than its factorization.

51461467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30052.

The product of its digits is 20160, while the sum is 34.

The square root of 51461467 is about 7173.6648235055. The cubic root of 51461467 is about 371.9581286938.

The spelling of 51461467 in words is "fifty-one million, four hundred sixty-one thousand, four hundred sixty-seven".