51514064 has 80 divisors (see below), whose sum is σ = 121230336. Its totient is φ = 20736000.

The previous prime is 51514061. The next prime is 51514069. The reversal of 51514064 is 46041515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51514061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128264 + ... + 128664.

Almost surely, 2^51514064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51514064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60615168).

51514064 is an abundant number, since it is smaller than the sum of its proper divisors (69716272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51514064 is a wasteful number, since it uses less digits than its factorization.

51514064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 51514064 is about 7177.3298656255. The cubic root of 51514064 is about 372.0848074266.

Adding to 51514064 its reverse (46041515), we get a palindrome (97555579).

The spelling of 51514064 in words is "fifty-one million, five hundred fourteen thousand, sixty-four".