51594545 has 8 divisors (see below), whose sum is σ = 61957824. Its totient is φ = 41246064.

The previous prime is 51594533. The next prime is 51594581. The reversal of 51594545 is 54549515.

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 51594545 - 2⁸ = 51594289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51594499 and 51594508.

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, 6572 + ... + 12098.

It is an arithmetic number, because the mean of its divisors is an integer number (7744728).

Almost surely, 2^51594545 is an apocalyptic number.

It is an amenable number.

51594545 is a deficient number, since it is larger than the sum of its proper divisors (10363279).

51594545 is a wasteful number, since it uses less digits than its factorization.

51594545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7399.

The product of its digits is 90000, while the sum is 38.

The square root of 51594545 is about 7182.9342889936. The cubic root of 51594545 is about 372.2784773601.

The spelling of 51594545 in words is "fifty-one million, five hundred ninety-four thousand, five hundred forty-five".