51747007 has 8 divisors (see below), whose sum is σ = 55784736. Its totient is φ = 47717472.

The previous prime is 51746983. The next prime is 51747037. The reversal of 51747007 is 70074715.

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 51747007 - 2¹⁵ = 51714239 is a prime.

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 51747007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51747037) 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, 19653 + ... + 22129.

It is an arithmetic number, because the mean of its divisors is an integer number (6973092).

Almost surely, 2^51747007 is an apocalyptic number.

51747007 is a deficient number, since it is larger than the sum of its proper divisors (4037729).

51747007 is a wasteful number, since it uses less digits than its factorization.

51747007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097.

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 51747007 is about 7193.5392540807. The cubic root of 51747007 is about 372.6448113451.

It can be divided in two parts, 517 and 47007, that added together give a square (47524 = 218²).

The spelling of 51747007 in words is "fifty-one million, seven hundred forty-seven thousand, seven".