51437376 has 168 divisors, whose sum is σ = 162194240. Its totient is φ = 15980544.

The previous prime is 51437311. The next prime is 51437383. The reversal of 51437376 is 67373415.

51437376 is a `hidden beast` number, since 514 + 3 + 73 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51437376.

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, 499341 + ... + 499443.

Almost surely, 2^51437376 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 51437376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81097120).

51437376 is an abundant number, since it is smaller than the sum of its proper divisors (110756864).

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

51437376 is a wasteful number, since it uses less digits than its factorization.

51437376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 125 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 51437376 is about 7171.9854991488. The cubic root of 51437376 is about 371.9000772205.

The spelling of 51437376 in words is "fifty-one million, four hundred thirty-seven thousand, three hundred seventy-six".