51246767 has 12 divisors (see below), whose sum is σ = 60663960. Its totient is φ = 43002960.

The previous prime is 51246733. The next prime is 51246817. The reversal of 51246767 is 76764215.

It is not a de Polignac number, because 51246767 - 2⁶ = 51246703 is a prime.

It is a super-2 number, since 2×51246767² = 5252462255904578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51246767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51243767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14717 + ... + 17862.

It is an arithmetic number, because the mean of its divisors is an integer number (5055330).

Almost surely, 2^51246767 is an apocalyptic number.

51246767 is a deficient number, since it is larger than the sum of its proper divisors (9417193).

51246767 is a wasteful number, since it uses less digits than its factorization.

51246767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32614 (or 32603 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 51246767 is about 7158.6847255624. The cubic root of 51246767 is about 371.4401312336.

The spelling of 51246767 in words is "fifty-one million, two hundred forty-six thousand, seven hundred sixty-seven".