51364727 has 8 divisors (see below), whose sum is σ = 53745120. Its totient is φ = 48996640.

The previous prime is 51364639. The next prime is 51364739. The reversal of 51364727 is 72746315.

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 51364727 - 2¹⁶ = 51299191 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 (51364787) 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, 6077 + ... + 11817.

It is an arithmetic number, because the mean of its divisors is an integer number (6718140).

Almost surely, 2^51364727 is an apocalyptic number.

51364727 is a deficient number, since it is larger than the sum of its proper divisors (2380393).

51364727 is a wasteful number, since it uses less digits than its factorization.

51364727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6153.

The product of its digits is 35280, while the sum is 35.

The square root of 51364727 is about 7166.9189335446. The cubic root of 51364727 is about 371.7249069406.

The spelling of 51364727 in words is "fifty-one million, three hundred sixty-four thousand, seven hundred twenty-seven".