51616297 has 8 divisors (see below), whose sum is σ = 53076320. Its totient is φ = 50168160.

The previous prime is 51616283. The next prime is 51616307. The reversal of 51616297 is 79261615.

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 51616297 - 2¹⁹ = 51092009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51616237) 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, 6229 + ... + 11917.

It is an arithmetic number, because the mean of its divisors is an integer number (6634540).

Almost surely, 2^51616297 is an apocalyptic number.

It is an amenable number.

51616297 is a deficient number, since it is larger than the sum of its proper divisors (1460023).

51616297 is a wasteful number, since it uses less digits than its factorization.

51616297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5943.

The product of its digits is 22680, while the sum is 37.

The square root of 51616297 is about 7184.4482738760. The cubic root of 51616297 is about 372.3307869193.

The spelling of 51616297 in words is "fifty-one million, six hundred sixteen thousand, two hundred ninety-seven".