51504096 has 72 divisors (see below), whose sum is σ = 157285800. Its totient is φ = 14714112.

The previous prime is 51504083. The next prime is 51504121. The reversal of 51504096 is 69040515.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 771 + ... + 10178.

It is an arithmetic number, because the mean of its divisors is an integer number (2184525).

Almost surely, 2^51504096 is an apocalyptic number.

51504096 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51504096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78642900).

51504096 is an abundant number, since it is smaller than the sum of its proper divisors (105781704).

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

51504096 is a wasteful number, since it uses less digits than its factorization.

51504096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10976 (or 10961 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 51504096 is about 7176.6354233722. The cubic root of 51504096 is about 372.0608063395.

The spelling of 51504096 in words is "fifty-one million, five hundred four thousand, ninety-six".