55152120543 has 32 divisors (see below), whose sum is σ = 80098636800. Its totient is φ = 33552679680.

The previous prime is 55152120533. The next prime is 55152120563. The reversal of 55152120543 is 34502125155.

It is not a de Polignac number, because 55152120543 - 2²⁴ = 55135343327 is a prime.

It is a super-4 number, since 4×55152120543⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55152120523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2394723 + ... + 2417643.

It is an arithmetic number, because the mean of its divisors is an integer number (2503082400).

Almost surely, 2^55152120543 is an apocalyptic number.

55152120543 is a deficient number, since it is larger than the sum of its proper divisors (24946516257).

55152120543 is a wasteful number, since it uses less digits than its factorization.

55152120543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23639.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 55152120543 its reverse (34502125155), we get a palindrome (89654245698).

The spelling of 55152120543 in words is "fifty-five billion, one hundred fifty-two million, one hundred twenty thousand, five hundred forty-three".