51793492 has 12 divisors (see below), whose sum is σ = 95970420. Its totient is φ = 24373376.

The previous prime is 51793481. The next prime is 51793499. The reversal of 51793492 is 29439715.

It can be written as a sum of positive squares in 2 ways, for example, as 44142736 + 7650756 = 6644^2 + 2766^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51793499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380767 + ... + 380902.

It is an arithmetic number, because the mean of its divisors is an integer number (7997535).

Almost surely, 2^51793492 is an apocalyptic number.

It is an amenable number.

51793492 is a deficient number, since it is larger than the sum of its proper divisors (44176928).

51793492 is a wasteful number, since it uses less digits than its factorization.

51793492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761690 (or 761688 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 51793492 is about 7196.7695530703. The cubic root of 51793492 is about 372.7563618204.

The spelling of 51793492 in words is "fifty-one million, seven hundred ninety-three thousand, four hundred ninety-two".