51516067 has 8 divisors (see below), whose sum is σ = 53992224. Its totient is φ = 49059648.

The previous prime is 51516043. The next prime is 51516071. The reversal of 51516067 is 76061515.

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-51516067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51516037) 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, 553 + ... + 10165.

It is an arithmetic number, because the mean of its divisors is an integer number (6749028).

Almost surely, 2^51516067 is an apocalyptic number.

51516067 is a deficient number, since it is larger than the sum of its proper divisors (2476157).

51516067 is a wasteful number, since it uses less digits than its factorization.

51516067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9869.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 51516067 is about 7177.4694008404. The cubic root of 51516067 is about 372.0896299039.

The spelling of 51516067 in words is "fifty-one million, five hundred sixteen thousand, sixty-seven".