51364206 has 20 divisors (see below), whose sum is σ = 115094232. Its totient is φ = 17121348.

The previous prime is 51364193. The next prime is 51364211. The reversal of 51364206 is 60246315.

51364206 is a `hidden beast` number, since 5 + 13 + 642 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 51364206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 158370 + ... + 158693.

Almost surely, 2^51364206 is an apocalyptic number.

51364206 is an abundant number, since it is smaller than the sum of its proper divisors (63730026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51364206 is a wasteful number, since it uses less digits than its factorization.

51364206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317077 (or 317068 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 51364206 is about 7166.8825858947. The cubic root of 51364206 is about 371.7236501161.

The spelling of 51364206 in words is "fifty-one million, three hundred sixty-four thousand, two hundred six".