51273597 has 16 divisors (see below), whose sum is σ = 70778880. Its totient is φ = 32982000.

The previous prime is 51273589. The next prime is 51273613. The reversal of 51273597 is 79537215.

It is not a de Polignac number, because 51273597 - 2³ = 51273589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51273517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43972 + ... + 45122.

It is an arithmetic number, because the mean of its divisors is an integer number (4423680).

Almost surely, 2^51273597 is an apocalyptic number.

It is an amenable number.

51273597 is a deficient number, since it is larger than the sum of its proper divisors (19505283).

51273597 is a wasteful number, since it uses less digits than its factorization.

51273597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664.

The product of its digits is 66150, while the sum is 39.

The square root of 51273597 is about 7160.5584279440. The cubic root of 51273597 is about 371.5049418265.

The spelling of 51273597 in words is "fifty-one million, two hundred seventy-three thousand, five hundred ninety-seven".