51034347 has 32 divisors (see below), whose sum is σ = 93058560. Its totient is φ = 26917920.

The previous prime is 51034343. The next prime is 51034393. The reversal of 51034347 is 74343015.

It is not a de Polignac number, because 51034347 - 2² = 51034343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 51034347.

It is not an unprimeable number, because it can be changed into a prime (51034343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7929 + ... + 12842.

It is an arithmetic number, because the mean of its divisors is an integer number (2908080).

Almost surely, 2^51034347 is an apocalyptic number.

51034347 is a deficient number, since it is larger than the sum of its proper divisors (42024213).

51034347 is a wasteful number, since it uses less digits than its factorization.

51034347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20800 (or 20794 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 51034347 is about 7143.8327947958. The cubic root of 51034347 is about 370.9262088573.

The spelling of 51034347 in words is "fifty-one million, thirty-four thousand, three hundred forty-seven".