54516545865442 has 4 divisors (see below), whose sum is σ = 81774818798166. Its totient is φ = 27258272932720.

The previous prime is 54516545865437. The next prime is 54516545865451. The reversal of 54516545865442 is 24456854561545.

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., 48990186491401 + 5526359374041 = 6999299^2 + 2350821^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13629136466359 + ... + 13629136466362.

Almost surely, 2^{54516545865442} is an apocalyptic number.

54516545865442 is a deficient number, since it is larger than the sum of its proper divisors (27258272932724).

54516545865442 is a wasteful number, since it uses less digits than its factorization.

54516545865442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27258272932723.

The product of its digits is 460800000, while the sum is 64.

The spelling of 54516545865442 in words is "fifty-four trillion, five hundred sixteen billion, five hundred forty-five million, eight hundred sixty-five thousand, four hundred forty-two".