505250553204 has 48 divisors (see below), whose sum is σ = 1315782935040. Its totient is φ = 167661610560.

The previous prime is 505250553169. The next prime is 505250553253. The reversal of 505250553204 is 402355052505.

505250553204 is a `hidden beast` number, since 5 + 0 + 52 + 50 + 553 + 2 + 0 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10465257 + ... + 10513424.

It is an arithmetic number, because the mean of its divisors is an integer number (27412144480).

Almost surely, 2^505250553204 is an apocalyptic number.

505250553204 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

505250553204 is an abundant number, since it is smaller than the sum of its proper divisors (810532381836).

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

505250553204 is a wasteful number, since it uses less digits than its factorization.

505250553204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20978917 (or 20978909 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 36.

The spelling of 505250553204 in words is "five hundred five billion, two hundred fifty million, five hundred fifty-three thousand, two hundred four".