51202368 has 280 divisors, whose sum is σ = 185879232. Its totient is φ = 13602816.

The previous prime is 51202357. The next prime is 51202387. The reversal of 51202368 is 86320215.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 616855 + ... + 616937.

Almost surely, 2^51202368 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 51202368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92939616).

51202368 is an abundant number, since it is smaller than the sum of its proper divisors (134676864).

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

51202368 is a wasteful number, since it uses less digits than its factorization.

51202368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 51202368 is about 7155.5829951165. The cubic root of 51202368 is about 371.3328312270.

The spelling of 51202368 in words is "fifty-one million, two hundred two thousand, three hundred sixty-eight".