51356592 has 280 divisors, whose sum is σ = 185407776. Its totient is φ = 13436928.

The previous prime is 51356561. The next prime is 51356603. The reversal of 51356592 is 29565315.

51356592 is a `hidden beast` number, since 5 + 1 + 3 + 565 + 92 = 666.

51356592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1387998 + ... + 1388034.

Almost surely, 2^51356592 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 51356592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92703888).

51356592 is an abundant number, since it is smaller than the sum of its proper divisors (134051184).

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

51356592 is a wasteful number, since it uses less digits than its factorization.

51356592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 66 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 51356592 is about 7166.3513729094. The cubic root of 51356592 is about 371.7052816584.

The spelling of 51356592 in words is "fifty-one million, three hundred fifty-six thousand, five hundred ninety-two".