15051648 has 64 divisors (see below), whose sum is σ = 42105600. Its totient is φ = 4750848.

The previous prime is 15051643. The next prime is 15051661. The reversal of 15051648 is 84615051.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15051643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6265 + ... + 8327.

It is an arithmetic number, because the mean of its divisors is an integer number (657900).

Almost surely, 2^15051648 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 15051648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21052800).

15051648 is an abundant number, since it is smaller than the sum of its proper divisors (27053952).

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

15051648 is a wasteful number, since it uses less digits than its factorization.

15051648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099 (or 2087 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 15051648 is about 3879.6453446159. The cubic root of 15051648 is about 246.9039385615.

Adding to 15051648 its reverse (84615051), we get a palindrome (99666699).

The spelling of 15051648 in words is "fifteen million, fifty-one thousand, six hundred forty-eight".