51793457 has 8 divisors (see below), whose sum is σ = 53498016. Its totient is φ = 50111712.

The previous prime is 51793439. The next prime is 51793459. The reversal of 51793457 is 75439715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51793457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51793459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028 + ... + 10229.

It is an arithmetic number, because the mean of its divisors is an integer number (6687252).

Almost surely, 2^51793457 is an apocalyptic number.

It is an amenable number.

51793457 is a deficient number, since it is larger than the sum of its proper divisors (1704559).

51793457 is a wasteful number, since it uses less digits than its factorization.

51793457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11407.

The product of its digits is 132300, while the sum is 41.

The square root of 51793457 is about 7196.7671214233. The cubic root of 51793457 is about 372.7562778556.

The spelling of 51793457 in words is "fifty-one million, seven hundred ninety-three thousand, four hundred fifty-seven".