4561455345554 has 4 divisors (see below), whose sum is σ = 6842183018334. Its totient is φ = 2280727672776.

The previous prime is 4561455345533. The next prime is 4561455345583. The reversal of 4561455345554 is 4555435541654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4258333526329 + 303121819225 = 2063573^2 + 550565^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4561455345554.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140363836387 + ... + 1140363836390.

Almost surely, 2^{4561455345554} is an apocalyptic number.

4561455345554 is a deficient number, since it is larger than the sum of its proper divisors (2280727672780).

4561455345554 is a wasteful number, since it uses less digits than its factorization.

4561455345554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280727672779.

The product of its digits is 72000000, while the sum is 56.

The spelling of 4561455345554 in words is "four trillion, five hundred sixty-one billion, four hundred fifty-five million, three hundred forty-five thousand, five hundred fifty-four".