51463347 has 16 divisors (see below), whose sum is σ = 74151168. Its totient is φ = 31560480.

The previous prime is 51463339. The next prime is 51463361. The reversal of 51463347 is 74336415.

It is not a de Polignac number, because 51463347 - 2³ = 51463339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51463547) 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 15 ways as a sum of consecutive naturals, for example, 10008 + ... + 14250.

It is an arithmetic number, because the mean of its divisors is an integer number (4634448).

Almost surely, 2^51463347 is an apocalyptic number.

51463347 is a deficient number, since it is larger than the sum of its proper divisors (22687821).

51463347 is a wasteful number, since it uses less digits than its factorization.

51463347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4570.

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

The square root of 51463347 is about 7173.7958571456. The cubic root of 51463347 is about 371.9626581201.

The spelling of 51463347 in words is "fifty-one million, four hundred sixty-three thousand, three hundred forty-seven".