51572113 has 8 divisors (see below), whose sum is σ = 52876800. Its totient is φ = 50276160.

The previous prime is 51572107. The next prime is 51572119. The reversal of 51572113 is 31127515.

51572113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51572107) and next prime (51572119).

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 51572113 - 2¹³ = 51563921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51572119) 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, 10713 + ... + 14761.

It is an arithmetic number, because the mean of its divisors is an integer number (6609600).

Almost surely, 2^51572113 is an apocalyptic number.

It is an amenable number.

51572113 is a deficient number, since it is larger than the sum of its proper divisors (1304687).

51572113 is a wasteful number, since it uses less digits than its factorization.

51572113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367.

The product of its digits is 1050, while the sum is 25.

The square root of 51572113 is about 7181.3726403801. The cubic root of 51572113 is about 372.2245171249.

Adding to 51572113 its reverse (31127515), we get a palindrome (82699628).

The spelling of 51572113 in words is "fifty-one million, five hundred seventy-two thousand, one hundred thirteen".