51346473 has 8 divisors (see below), whose sum is σ = 70131936. Its totient is φ = 33396000.

The previous prime is 51346457. The next prime is 51346483. The reversal of 51346473 is 37464315.

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

It is not a de Polignac number, because 51346473 - 2⁴ = 51346457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51346403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208603 + ... + 208848.

It is an arithmetic number, because the mean of its divisors is an integer number (8766492).

Almost surely, 2^51346473 is an apocalyptic number.

It is an amenable number.

51346473 is a deficient number, since it is larger than the sum of its proper divisors (18785463).

51346473 is a wasteful number, since it uses less digits than its factorization.

51346473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417495.

The product of its digits is 30240, while the sum is 33.

The square root of 51346473 is about 7165.6453303244. The cubic root of 51346473 is about 371.6808671827.

The spelling of 51346473 in words is "fifty-one million, three hundred forty-six thousand, four hundred seventy-three".