51464873 has 8 divisors (see below), whose sum is σ = 52230240. Its totient is φ = 50703840.

The previous prime is 51464857. The next prime is 51464887. The reversal of 51464873 is 37846415.

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

It is a cyclic number.

It is not a de Polignac number, because 51464873 - 2⁴ = 51464857 is a prime.

It is a super-2 number, since 2×51464873² = 5297266305812258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51464813) 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, 28586 + ... + 30332.

It is an arithmetic number, because the mean of its divisors is an integer number (6528780).

Almost surely, 2^51464873 is an apocalyptic number.

It is an amenable number.

51464873 is a deficient number, since it is larger than the sum of its proper divisors (765367).

51464873 is a wasteful number, since it uses less digits than its factorization.

51464873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167.

The product of its digits is 80640, while the sum is 38.

The square root of 51464873 is about 7173.9022156704. The cubic root of 51464873 is about 371.9663345840.

The spelling of 51464873 in words is "fifty-one million, four hundred sixty-four thousand, eight hundred seventy-three".