51604848 has 60 divisors (see below), whose sum is σ = 145118688. Its totient is φ = 17118720.

The previous prime is 51604793. The next prime is 51604849. The reversal of 51604848 is 84840615.

51604848 is a `hidden beast` number, since 5 + 1 + 604 + 8 + 48 = 666.

51604848 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51604849) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 33961 + ... + 35447.

Almost surely, 2^51604848 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 51604848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72559344).

51604848 is an abundant number, since it is smaller than the sum of its proper divisors (93513840).

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

51604848 is a wasteful number, since it uses less digits than its factorization.

51604848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742 (or 1733 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 51604848 is about 7183.6514392056. The cubic root of 51604848 is about 372.3032560124.

The spelling of 51604848 in words is "fifty-one million, six hundred four thousand, eight hundred forty-eight".