51359671 has 4 divisors (see below), whose sum is σ = 56028744. Its totient is φ = 46690600.

The previous prime is 51359639. The next prime is 51359683. The reversal of 51359671 is 17695315.

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

It is not a de Polignac number, because 51359671 - 2⁵ = 51359639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51359671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51350671) 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, 2334520 + ... + 2334541.

It is an arithmetic number, because the mean of its divisors is an integer number (14007186).

Almost surely, 2^51359671 is an apocalyptic number.

51359671 is a deficient number, since it is larger than the sum of its proper divisors (4669073).

51359671 is a wasteful number, since it uses less digits than its factorization.

51359671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669072.

The product of its digits is 28350, while the sum is 37.

The square root of 51359671 is about 7166.5661930942. The cubic root of 51359671 is about 371.7127098363.

The spelling of 51359671 in words is "fifty-one million, three hundred fifty-nine thousand, six hundred seventy-one".