51102305 has 8 divisors (see below), whose sum is σ = 64550400. Its totient is φ = 38730096.

The previous prime is 51102283. The next prime is 51102313. The reversal of 51102305 is 50320115.

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 51102305 - 2⁸ = 51102049 is a prime.

It is a super-2 number, since 2×51102305² = 5222891152626050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268865 + ... + 269054.

It is an arithmetic number, because the mean of its divisors is an integer number (8068800).

Almost surely, 2^51102305 is an apocalyptic number.

It is an amenable number.

51102305 is a deficient number, since it is larger than the sum of its proper divisors (13448095).

51102305 is a wasteful number, since it uses less digits than its factorization.

51102305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537943.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 51102305 is about 7148.5876227406. The cubic root of 51102305 is about 371.0907792183.

The spelling of 51102305 in words is "fifty-one million, one hundred two thousand, three hundred five".