54161332345 has 8 divisors (see below), whose sum is σ = 65330354376. Its totient is φ = 43104562176.

The previous prime is 54161332333. The next prime is 54161332349. The reversal of 54161332345 is 54323316145.

It can be written as a sum of positive squares in 4 ways, for example, as 2154073744 + 52007258601 = 46412^2 + 228051^2 .

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 54161332345 - 2²³ = 54152943737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54161332349) 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, 28061902 + ... + 28063831.

It is an arithmetic number, because the mean of its divisors is an integer number (8166294297).

Almost surely, 2^54161332345 is an apocalyptic number.

It is an amenable number.

54161332345 is a deficient number, since it is larger than the sum of its proper divisors (11169022031).

54161332345 is a wasteful number, since it uses less digits than its factorization.

54161332345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56125931.

The product of its digits is 129600, while the sum is 37.

The spelling of 54161332345 in words is "fifty-four billion, one hundred sixty-one million, three hundred thirty-two thousand, three hundred forty-five".