51708494 has 8 divisors (see below), whose sum is σ = 77594880. Its totient is φ = 25843536.

The previous prime is 51708467. The next prime is 51708497. The reversal of 51708494 is 49480715.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51708497) 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, 3827 + ... + 10865.

It is an arithmetic number, because the mean of its divisors is an integer number (9699360).

Almost surely, 2^51708494 is an apocalyptic number.

51708494 is a deficient number, since it is larger than the sum of its proper divisors (25886386).

51708494 is a wasteful number, since it uses less digits than its factorization.

51708494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10714.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 51708494 is about 7190.8618398631. The cubic root of 51708494 is about 372.5523407376.

The spelling of 51708494 in words is "fifty-one million, seven hundred eight thousand, four hundred ninety-four".