54451661155603 has 8 divisors (see below), whose sum is σ = 55923989495648. Its totient is φ = 52979367648384.

The previous prime is 54451661155553. The next prime is 54451661155637. The reversal of 54451661155603 is 30655116615445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54451661155603 - 2²⁵ = 54451627601171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54451661155643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5523951 + ... + 11807512.

It is an arithmetic number, because the mean of its divisors is an integer number (6990498686956).

Almost surely, 2^{54451661155603} is an apocalyptic number.

54451661155603 is a deficient number, since it is larger than the sum of its proper divisors (1472328340045).

54451661155603 is a wasteful number, since it uses less digits than its factorization.

54451661155603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17416413.

The product of its (nonzero) digits is 6480000, while the sum is 52.

The spelling of 54451661155603 in words is "fifty-four trillion, four hundred fifty-one billion, six hundred sixty-one million, one hundred fifty-five thousand, six hundred three".