51160345 has 4 divisors (see below), whose sum is σ = 61392420. Its totient is φ = 40928272.

The previous prime is 51160301. The next prime is 51160387. The reversal of 51160345 is 54306115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21261321 + 29899024 = 4611^2 + 5468^2 .

It is a cyclic number.

It is not a de Polignac number, because 51160345 - 2¹⁷ = 51029273 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 5116030 + ... + 5116039.

It is an arithmetic number, because the mean of its divisors is an integer number (15348105).

Almost surely, 2^51160345 is an apocalyptic number.

It is an amenable number.

51160345 is a deficient number, since it is larger than the sum of its proper divisors (10232075).

51160345 is a wasteful number, since it uses less digits than its factorization.

51160345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10232074.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 51160345 is about 7152.6460138888. The cubic root of 51160345 is about 371.2312161968.

The spelling of 51160345 in words is "fifty-one million, one hundred sixty thousand, three hundred forty-five".