545404120555 has 8 divisors (see below), whose sum is σ = 747982793952. Its totient is φ = 373991396928.

The previous prime is 545404120543. The next prime is 545404120571. The reversal of 545404120555 is 555021404545.

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 545404120555 - 2²¹ = 545402023403 is a prime.

It is a Duffinian 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, 7791487402 + ... + 7791487471.

It is an arithmetic number, because the mean of its divisors is an integer number (93497849244).

Almost surely, 2^545404120555 is an apocalyptic number.

545404120555 is a deficient number, since it is larger than the sum of its proper divisors (202578673397).

545404120555 is a wasteful number, since it uses less digits than its factorization.

545404120555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15582974885.

The product of its (nonzero) digits is 400000, while the sum is 40.

The spelling of 545404120555 in words is "five hundred forty-five billion, four hundred four million, one hundred twenty thousand, five hundred fifty-five".