51415467 has 8 divisors (see below), whose sum is σ = 68718480. Its totient is φ = 34194720.

The previous prime is 51415457. The next prime is 51415477. The reversal of 51415467 is 76451415.

It is an interprime number because it is at equal distance from previous prime (51415457) and next prime (51415477).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51415467 - 2⁴ = 51415451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51415447) 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 in 7 ways as a sum of consecutive naturals, for example, 19092 + ... + 21617.

It is an arithmetic number, because the mean of its divisors is an integer number (8589810).

Almost surely, 2^51415467 is an apocalyptic number.

51415467 is a deficient number, since it is larger than the sum of its proper divisors (17303013).

51415467 is a wasteful number, since it uses less digits than its factorization.

51415467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41133.

The product of its digits is 16800, while the sum is 33.

The square root of 51415467 is about 7170.4579351670. The cubic root of 51415467 is about 371.8472679176.

The spelling of 51415467 in words is "fifty-one million, four hundred fifteen thousand, four hundred sixty-seven".