51572017 has 8 divisors (see below), whose sum is σ = 59014656. Its totient is φ = 44148192.

The previous prime is 51571963. The next prime is 51572041. The reversal of 51572017 is 71027515.

51572017 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 a de Polignac number, because none of the positive numbers 2^k-51572017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51572047) 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, 1773 + ... + 10309.

It is an arithmetic number, because the mean of its divisors is an integer number (7376832).

Almost surely, 2^51572017 is an apocalyptic number.

It is an amenable number.

51572017 is a deficient number, since it is larger than the sum of its proper divisors (7442639).

51572017 is an equidigital number, since it uses as much as digits as its factorization.

51572017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9407.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 51572017 is about 7181.3659564180. The cubic root of 51572017 is about 372.2242861630.

The spelling of 51572017 in words is "fifty-one million, five hundred seventy-two thousand, seventeen".