505734557000 has 64 divisors (see below), whose sum is σ = 1234871913600. Its totient is φ = 193498430400.

The previous prime is 505734556993. The next prime is 505734557021. The reversal of 505734557000 is 755437505.

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, 10971230 + ... + 11017229.

It is an arithmetic number, because the mean of its divisors is an integer number (19294873650).

Almost surely, 2^505734557000 is an apocalyptic number.

505734557000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505734557000 is an abundant number, since it is smaller than the sum of its proper divisors (729137356600).

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

505734557000 is a wasteful number, since it uses less digits than its factorization.

505734557000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21988503 (or 21988489 counting only the distinct ones).

The product of its (nonzero) digits is 367500, while the sum is 41.

The spelling of 505734557000 in words is "five hundred five billion, seven hundred thirty-four million, five hundred fifty-seven thousand".