51514145 has 16 divisors (see below), whose sum is σ = 63277200. Its totient is φ = 40245504.

The previous prime is 51514123. The next prime is 51514147. The reversal of 51514145 is 54141515.

It can be written as a sum of positive squares in 8 ways, for example, as 305809 + 51208336 = 553^2 + 7156^2 .

It is a cyclic number.

It is not a de Polignac number, because 51514145 - 2¹⁶ = 51448609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51514147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92207 + ... + 92763.

It is an arithmetic number, because the mean of its divisors is an integer number (3954825).

Almost surely, 2^51514145 is an apocalyptic number.

It is an amenable number.

51514145 is a deficient number, since it is larger than the sum of its proper divisors (11763055).

51514145 is a wasteful number, since it uses less digits than its factorization.

51514145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964.

The product of its digits is 2000, while the sum is 26.

The square root of 51514145 is about 7177.3355083903. The cubic root of 51514145 is about 372.0850024469.

The spelling of 51514145 in words is "fifty-one million, five hundred fourteen thousand, one hundred forty-five".