51160071 has 4 divisors (see below), whose sum is σ = 68213432. Its totient is φ = 34106712.

The previous prime is 51160069. The next prime is 51160091. The reversal of 51160071 is 17006115.

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

It is not a de Polignac number, because 51160071 - 2¹ = 51160069 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 (51160001) 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, 8526676 + ... + 8526681.

It is an arithmetic number, because the mean of its divisors is an integer number (17053358).

Almost surely, 2^51160071 is an apocalyptic number.

51160071 is a deficient number, since it is larger than the sum of its proper divisors (17053361).

51160071 is a wasteful number, since it uses less digits than its factorization.

51160071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17053360.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 51160071 is about 7152.6268601123. The cubic root of 51160071 is about 371.2305534600.

Adding to 51160071 its reverse (17006115), we get a palindrome (68166186).

The spelling of 51160071 in words is "fifty-one million, one hundred sixty thousand, seventy-one".