51610871 has 8 divisors (see below), whose sum is σ = 55805904. Its totient is φ = 47448000.

The previous prime is 51610847. The next prime is 51610901. The reversal of 51610871 is 17801615.

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 51610871 - 2¹⁸ = 51348727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51610831) 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, 4646 + ... + 11171.

It is an arithmetic number, because the mean of its divisors is an integer number (6975738).

Almost surely, 2^51610871 is an apocalyptic number.

51610871 is a deficient number, since it is larger than the sum of its proper divisors (4195033).

51610871 is a wasteful number, since it uses less digits than its factorization.

51610871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16081.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 51610871 is about 7184.0706427484. The cubic root of 51610871 is about 372.3177397632.

The spelling of 51610871 in words is "fifty-one million, six hundred ten thousand, eight hundred seventy-one".