51793120 has 24 divisors (see below), whose sum is σ = 122361624. Its totient is φ = 20717184.

The previous prime is 51793117. The next prime is 51793123. The reversal of 51793120 is 2139715.

It is an interprime number because it is at equal distance from previous prime (51793117) and next prime (51793123).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51793123) by changing a digit.

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, 161694 + ... + 162013.

It is an arithmetic number, because the mean of its divisors is an integer number (5098401).

Almost surely, 2^51793120 is an apocalyptic number.

It is an amenable number.

51793120 is an abundant number, since it is smaller than the sum of its proper divisors (70568504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51793120 is a wasteful number, since it uses less digits than its factorization.

51793120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323722 (or 323714 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 51793120 is about 7196.7437080947. The cubic root of 51793120 is about 372.7554693936.

The spelling of 51793120 in words is "fifty-one million, seven hundred ninety-three thousand, one hundred twenty".