53445666560542 has 16 divisors (see below), whose sum is σ = 80488410726240. Its totient is φ = 26616250360288.

The previous prime is 53445666560513. The next prime is 53445666560623. The reversal of 53445666560542 is 24506566654435.

It is a congruent number.

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, 11530258 + ... + 15486709.

It is an arithmetic number, because the mean of its divisors is an integer number (5030525670390).

Almost surely, 2^{53445666560542} is an apocalyptic number.

53445666560542 is a deficient number, since it is larger than the sum of its proper divisors (27042744165698).

53445666560542 is a wasteful number, since it uses less digits than its factorization.

53445666560542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27020915.

The product of its (nonzero) digits is 311040000, while the sum is 61.

The spelling of 53445666560542 in words is "fifty-three trillion, four hundred forty-five billion, six hundred sixty-six million, five hundred sixty thousand, five hundred forty-two".