54516144161546 has 8 divisors (see below), whose sum is σ = 82497881873124. Its totient is φ = 27016850203840.

The previous prime is 54516144161539. The next prime is 54516144161671. The reversal of 54516144161546 is 64516144161545.

It can be written as a sum of positive squares in 2 ways, for example, as 40412656839025 + 14103487322521 = 6357095^2 + 3755461^2 .

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

It is a super-2 number, since 2×54516144161546² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120610938185 + ... + 120610938636.

Almost surely, 2^{54516144161546} is an apocalyptic number.

54516144161546 is a deficient number, since it is larger than the sum of its proper divisors (27981737711578).

54516144161546 is a wasteful number, since it uses less digits than its factorization.

54516144161546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241221876936.

The product of its digits is 6912000, while the sum is 53.

Subtracting 54516144161546 from its reverse (64516144161545), we obtain a palindrome (9999999999999).

The spelling of 54516144161546 in words is "fifty-four trillion, five hundred sixteen billion, one hundred forty-four million, one hundred sixty-one thousand, five hundred forty-six".