51336120 has 64 divisors (see below), whose sum is σ = 168013440. Its totient is φ = 12444800.

The previous prime is 51336083. The next prime is 51336121. The reversal of 51336120 is 2163315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51336121) 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, 18126 + ... + 20765.

It is an arithmetic number, because the mean of its divisors is an integer number (2625210).

Almost surely, 2^51336120 is an apocalyptic number.

It is an amenable number.

51336120 is an abundant number, since it is smaller than the sum of its proper divisors (116677320).

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

51336120 is a wasteful number, since it uses less digits than its factorization.

51336120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38916 (or 38912 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 51336120 is about 7164.9228886290. The cubic root of 51336120 is about 371.6558848068.

Adding to 51336120 its reverse (2163315), we get a palindrome (53499435).

The spelling of 51336120 in words is "fifty-one million, three hundred thirty-six thousand, one hundred twenty".