501552648 has 40 divisors (see below), whose sum is σ = 1404813630. Its totient is φ = 167184000.

The previous prime is 501552643. The next prime is 501552661. The reversal of 501552648 is 846255105.

501552648 is a `hidden beast` number, since 5 + 0 + 1 + 5 + 5 + 2 + 648 = 666.

It can be written as a sum of positive squares in only one way, i.e., 498986244 + 2566404 = 22338^2 + 1602^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (501552643) 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 9 ways as a sum of consecutive naturals, for example, 386353 + ... + 387648.

Almost surely, 2^501552648 is an apocalyptic number.

It is an amenable number.

501552648 is an abundant number, since it is smaller than the sum of its proper divisors (903260982).

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

501552648 is a wasteful number, since it uses less digits than its factorization.

501552648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774019 (or 774006 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 501552648 is about 22395.3711288739. The cubic root of 501552648 is about 794.5212354104.

The spelling of 501552648 in words is "five hundred one million, five hundred fifty-two thousand, six hundred forty-eight".