505455702154 has 32 divisors (see below), whose sum is σ = 868343789376. Its totient is φ = 218597180160.

The previous prime is 505455702121. The next prime is 505455702163. The reversal of 505455702154 is 451207554505.

It is a self number, because there is not a number n which added to its sum of digits gives 505455702154.

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, 2418532 + ... + 2619199.

It is an arithmetic number, because the mean of its divisors is an integer number (27135743418).

Almost surely, 2^505455702154 is an apocalyptic number.

505455702154 is a deficient number, since it is larger than the sum of its proper divisors (362888087222).

505455702154 is a wasteful number, since it uses less digits than its factorization.

505455702154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037990.

The product of its (nonzero) digits is 700000, while the sum is 43.

The spelling of 505455702154 in words is "five hundred five billion, four hundred fifty-five million, seven hundred two thousand, one hundred fifty-four".