51516703 has 8 divisors (see below), whose sum is σ = 59102208. Its totient is φ = 43987704.

The previous prime is 51516701. The next prime is 51516713. The reversal of 51516703 is 30761515.

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

It is a cyclic number.

It is not a de Polignac number, because 51516703 - 2¹ = 51516701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51516701) 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, 12151 + ... + 15832.

It is an arithmetic number, because the mean of its divisors is an integer number (7387776).

Almost surely, 2^51516703 is an apocalyptic number.

51516703 is a deficient number, since it is larger than the sum of its proper divisors (7585505).

51516703 is a wasteful number, since it uses less digits than its factorization.

51516703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28253.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 51516703 is about 7177.5137060127. The cubic root of 51516703 is about 372.0911611287.

The spelling of 51516703 in words is "fifty-one million, five hundred sixteen thousand, seven hundred three".