501005560 has 32 divisors (see below), whose sum is σ = 1229742000. Its totient is φ = 182183680.

The previous prime is 501005543. The next prime is 501005563. The reversal of 501005560 is 65500105.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501005563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568885 + ... + 569764.

Almost surely, 2^501005560 is an apocalyptic number.

It is an amenable number.

501005560 is an abundant number, since it is smaller than the sum of its proper divisors (728736440).

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

501005560 is a wasteful number, since it uses less digits than its factorization.

501005560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138671 (or 1138667 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 501005560 is about 22383.1534864952. The cubic root of 501005560 is about 794.2322453600.

Adding to 501005560 its reverse (65500105), we get a palindrome (566505665).

The spelling of 501005560 in words is "five hundred one million, five thousand, five hundred sixty".