51952729 has 8 divisors (see below), whose sum is σ = 53555040. Its totient is φ = 50368416.

The previous prime is 51952727. The next prime is 51952739. The reversal of 51952729 is 92725915.

51952729 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 51952729 - 2¹ = 51952727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51952691 and 51952700.

It is not an unprimeable number, because it can be changed into a prime (51952727) 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, 1482 + ... + 10300.

It is an arithmetic number, because the mean of its divisors is an integer number (6694380).

Almost surely, 2^51952729 is an apocalyptic number.

It is an amenable number.

51952729 is a deficient number, since it is larger than the sum of its proper divisors (1602311).

51952729 is a wasteful number, since it uses less digits than its factorization.

51952729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8999.

The product of its digits is 56700, while the sum is 40.

The square root of 51952729 is about 7207.8241515731. The cubic root of 51952729 is about 373.1379791263.

The spelling of 51952729 in words is "fifty-one million, nine hundred fifty-two thousand, seven hundred twenty-nine".