51236160 has 168 divisors, whose sum is σ = 174528480. Its totient is φ = 12699648.

The previous prime is 51236153. The next prime is 51236191. The reversal of 51236160 is 6163215.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 51236160.

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 23 ways as a sum of consecutive naturals, for example, 966694 + ... + 966746.

It is an arithmetic number, because the mean of its divisors is an integer number (1038860).

Almost surely, 2^51236160 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 51236160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87264240).

51236160 is an abundant number, since it is smaller than the sum of its proper divisors (123292320).

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

51236160 is a wasteful number, since it uses less digits than its factorization.

51236160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 51236160 is about 7157.9438388409. The cubic root of 51236160 is about 371.4145027075.

Adding to 51236160 its reverse (6163215), we get a palindrome (57399375).

The spelling of 51236160 in words is "fifty-one million, two hundred thirty-six thousand, one hundred sixty".