505501056004 has 48 divisors (see below), whose sum is σ = 1013267791872. Its totient is φ = 216158287392.

The previous prime is 505501056001. The next prime is 505501056119. The reversal of 505501056004 is 400650105505.

It is not an unprimeable number, because it can be changed into a prime (505501056001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28378869 + ... + 28396675.

It is an arithmetic number, because the mean of its divisors is an integer number (21109745664).

Almost surely, 2^505501056004 is an apocalyptic number.

It is an amenable number.

505501056004 is an abundant number, since it is smaller than the sum of its proper divisors (507766735868).

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

505501056004 is a wasteful number, since it uses less digits than its factorization.

505501056004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20032 (or 20030 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 505501056004 in words is "five hundred five billion, five hundred one million, fifty-six thousand, four".