51051345 has 8 divisors (see below), whose sum is σ = 81682176. Its totient is φ = 27227376.

The previous prime is 51051317. The next prime is 51051361. The reversal of 51051345 is 54315015.

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

It is not a de Polignac number, because 51051345 - 2⁹ = 51050833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701697 + ... + 1701726.

It is an arithmetic number, because the mean of its divisors is an integer number (10210272).

Almost surely, 2^51051345 is an apocalyptic number.

It is an amenable number.

51051345 is a deficient number, since it is larger than the sum of its proper divisors (30630831).

51051345 is a wasteful number, since it uses less digits than its factorization.

51051345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403431.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 51051345 is about 7145.0223932469. The cubic root of 51051345 is about 370.9673857260.

The spelling of 51051345 in words is "fifty-one million, fifty-one thousand, three hundred forty-five".