54515562321345 has 64 divisors (see below), whose sum is σ = 93167727206400. Its totient is φ = 27173918661120.

The previous prime is 54515562321301. The next prime is 54515562321383. The reversal of 54515562321345 is 54312326551545.

It is not a de Polignac number, because 54515562321345 - 2⁹ = 54515562320833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13537635 + ... + 17096744.

It is an arithmetic number, because the mean of its divisors is an integer number (1455745737600).

Almost surely, 2^{54515562321345} is an apocalyptic number.

It is an amenable number.

54515562321345 is a deficient number, since it is larger than the sum of its proper divisors (38652164885055).

54515562321345 is a wasteful number, since it uses less digits than its factorization.

54515562321345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30634550.

The product of its digits is 10800000, while the sum is 51.

The spelling of 54515562321345 in words is "fifty-four trillion, five hundred fifteen billion, five hundred sixty-two million, three hundred twenty-one thousand, three hundred forty-five".