51365206 has 8 divisors (see below), whose sum is σ = 79704720. Its totient is φ = 24796968.

The previous prime is 51365201. The next prime is 51365221. The reversal of 51365206 is 60256315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51365201) 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, 442746 + ... + 442861.

It is an arithmetic number, because the mean of its divisors is an integer number (9963090).

Almost surely, 2^51365206 is an apocalyptic number.

51365206 is a deficient number, since it is larger than the sum of its proper divisors (28339514).

51365206 is a wasteful number, since it uses less digits than its factorization.

51365206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885638.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 51365206 is about 7166.9523508950. The cubic root of 51365206 is about 371.7260624396.

The spelling of 51365206 in words is "fifty-one million, three hundred sixty-five thousand, two hundred six".