53445442545546 has 16 divisors (see below), whose sum is σ = 110576777680800. Its totient is φ = 17200832083568.

The previous prime is 53445442545491. The next prime is 53445442545553. The reversal of 53445442545546 is 64554524454435.

It is a self number, because there is not a number n which added to its sum of digits gives 53445442545546.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153578857716 + ... + 153578858063.

It is an arithmetic number, because the mean of its divisors is an integer number (6911048605050).

Almost surely, 2^{53445442545546} is an apocalyptic number.

53445442545546 is an abundant number, since it is smaller than the sum of its proper divisors (57131335135254).

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

53445442545546 is a wasteful number, since it uses less digits than its factorization.

53445442545546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307157715813.

The product of its digits is 460800000, while the sum is 60.

The spelling of 53445442545546 in words is "fifty-three trillion, four hundred forty-five billion, four hundred forty-two million, five hundred forty-five thousand, five hundred forty-six".