51517064 has 16 divisors (see below), whose sum is σ = 96707520. Its totient is φ = 25728400.

The previous prime is 51517051. The next prime is 51517073. The reversal of 51517064 is 46071515.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4589 + ... + 11139.

It is an arithmetic number, because the mean of its divisors is an integer number (6044220).

Almost surely, 2^51517064 is an apocalyptic number.

It is an amenable number.

51517064 is a deficient number, since it is larger than the sum of its proper divisors (45190456).

51517064 is a wasteful number, since it uses less digits than its factorization.

51517064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7540 (or 7536 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 51517064 is about 7177.5388539527. The cubic root of 51517064 is about 372.0920302616.

Adding to 51517064 its reverse (46071515), we get a palindrome (97588579).

The spelling of 51517064 in words is "fifty-one million, five hundred seventeen thousand, sixty-four".