51414516 has 36 divisors (see below), whose sum is σ = 131537952. Its totient is φ = 16930704.

The previous prime is 51414509. The next prime is 51414577. The reversal of 51414516 is 61541415.

51414516 is a `hidden beast` number, since 5 + 141 + 4 + 516 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51414516.

It is a congruent number.

It is an unprimeable number.

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, 5616 + ... + 11591.

It is an arithmetic number, because the mean of its divisors is an integer number (3653832).

Almost surely, 2^51414516 is an apocalyptic number.

It is an amenable number.

51414516 is an abundant number, since it is smaller than the sum of its proper divisors (80123436).

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

51414516 is a wasteful number, since it uses less digits than its factorization.

51414516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17300 (or 17295 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 51414516 is about 7170.3916211041. The cubic root of 51414516 is about 371.8449752941.

The spelling of 51414516 in words is "fifty-one million, four hundred fourteen thousand, five hundred sixteen".