51513014 has 24 divisors (see below), whose sum is σ = 90828360. Its totient is φ = 21845376.

The previous prime is 51513013. The next prime is 51513023. The reversal of 51513014 is 41031515.

It is a super-2 number, since 2×51513014² = 5307181222728392, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51513013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6797 + ... + 12215.

It is an arithmetic number, because the mean of its divisors is an integer number (3784515).

Almost surely, 2^51513014 is an apocalyptic number.

51513014 is a deficient number, since it is larger than the sum of its proper divisors (39315346).

51513014 is a wasteful number, since it uses less digits than its factorization.

51513014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532 (or 5525 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 51513014 is about 7177.2567182734. The cubic root of 51513014 is about 372.0822793681.

Adding to 51513014 its reverse (41031515), we get a palindrome (92544529).

The spelling of 51513014 in words is "fifty-one million, five hundred thirteen thousand, fourteen".