51605102 has 8 divisors (see below), whose sum is σ = 81481800. Its totient is φ = 24444504.

The previous prime is 51605063. The next prime is 51605131. The reversal of 51605102 is 20150615.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678977 + ... + 679052.

It is an arithmetic number, because the mean of its divisors is an integer number (10185225).

Almost surely, 2^51605102 is an apocalyptic number.

51605102 is a deficient number, since it is larger than the sum of its proper divisors (29876698).

51605102 is a wasteful number, since it uses less digits than its factorization.

51605102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358050.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 51605102 is about 7183.6691182153. The cubic root of 51605102 is about 372.3038668392.

Adding to 51605102 its reverse (20150615), we get a palindrome (71755717).

The spelling of 51605102 in words is "fifty-one million, six hundred five thousand, one hundred two".