51710147 has 4 divisors (see below), whose sum is σ = 51816816. Its totient is φ = 51603480.

The previous prime is 51710129. The next prime is 51710149. The reversal of 51710147 is 74101715.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51710147 - 2¹⁰ = 51709123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51710149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52604 + ... + 53577.

It is an arithmetic number, because the mean of its divisors is an integer number (12954204).

Almost surely, 2^51710147 is an apocalyptic number.

51710147 is a deficient number, since it is larger than the sum of its proper divisors (106669).

51710147 is a wasteful number, since it uses less digits than its factorization.

51710147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106668.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 51710147 is about 7190.9767764887. The cubic root of 51710147 is about 372.5563105719.

The spelling of 51710147 in words is "fifty-one million, seven hundred ten thousand, one hundred forty-seven".