51524480 has 192 divisors, whose sum is σ = 150698880. Its totient is φ = 16773120.

The previous prime is 51524479. The next prime is 51524509. The reversal of 51524480 is 8442515.

51524480 = 315² + 316² + ... + 570².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 972134 + ... + 972186.

It is an arithmetic number, because the mean of its divisors is an integer number (784890).

Almost surely, 2^51524480 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 51524480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75349440).

51524480 is an abundant number, since it is smaller than the sum of its proper divisors (99174400).

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

51524480 is a wasteful number, since it uses less digits than its factorization.

51524480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 51524480 is about 7178.0554469856. The cubic root of 51524480 is about 372.1098839065.

Adding to 51524480 its reverse (8442515), we get a palindrome (59966995).

The spelling of 51524480 in words is "fifty-one million, five hundred twenty-four thousand, four hundred eighty".