51629761 has 8 divisors (see below), whose sum is σ = 52670240. Its totient is φ = 50598432.

The previous prime is 51629759. The next prime is 51629797. The reversal of 51629761 is 16792615.

51629761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51629761 - 2¹ = 51629759 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 51629761.

It is not an unprimeable number, because it can be changed into a prime (51629741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9730 + ... + 14068.

It is an arithmetic number, because the mean of its divisors is an integer number (6583780).

Almost surely, 2^51629761 is an apocalyptic number.

It is an amenable number.

51629761 is a deficient number, since it is larger than the sum of its proper divisors (1040479).

51629761 is a wasteful number, since it uses less digits than its factorization.

51629761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575.

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

The square root of 51629761 is about 7185.3852367149. The cubic root of 51629761 is about 372.3631579996.

The spelling of 51629761 in words is "fifty-one million, six hundred twenty-nine thousand, seven hundred sixty-one".