505653052450 has 384 divisors, whose sum is σ = 1259919360000. Its totient is φ = 149590022400.

The previous prime is 505653052447. The next prime is 505653052481. The reversal of 505653052450 is 54250356505.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 334647195 + ... + 334648705.

It is an arithmetic number, because the mean of its divisors is an integer number (3281040000).

Almost surely, 2^505653052450 is an apocalyptic number.

505653052450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505653052450 is an abundant number, since it is smaller than the sum of its proper divisors (754266307550).

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

505653052450 is a wasteful number, since it uses less digits than its factorization.

505653052450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 505653052450 in words is "five hundred five billion, six hundred fifty-three million, fifty-two thousand, four hundred fifty".