51519488 has 56 divisors (see below), whose sum is σ = 108783120. Its totient is φ = 24330240.

The previous prime is 51519451. The next prime is 51519491. The reversal of 51519488 is 88491515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155483 + ... + 155813.

Almost surely, 2^51519488 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 51519488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54391560).

51519488 is an abundant number, since it is smaller than the sum of its proper divisors (57263632).

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

51519488 is an equidigital number, since it uses as much as digits as its factorization.

51519488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 352 counting only the distinct ones).

The product of its digits is 57600, while the sum is 41.

The square root of 51519488 is about 7177.7077120763. The cubic root of 51519488 is about 372.0978661075.

The spelling of 51519488 in words is "fifty-one million, five hundred nineteen thousand, four hundred eighty-eight".