55500555055539 has 16 divisors (see below), whose sum is σ = 80847323953920. Its totient is φ = 33587015086560.

The previous prime is 55500555055499. The next prime is 55500555055571. The reversal of 55500555055539 is 93555055500555.

It is not a de Polignac number, because 55500555055539 - 2⁹ = 55500555055027 is a prime.

It is a super-2 number, since 2×55500555055539² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55500555055579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242100999 + ... + 1242145680.

It is an arithmetic number, because the mean of its divisors is an integer number (5052957747120).

Almost surely, 2^{55500555055539} is an apocalyptic number.

55500555055539 is a deficient number, since it is larger than the sum of its proper divisors (25346768898381).

55500555055539 is a wasteful number, since it uses less digits than its factorization.

55500555055539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484247370.

The product of its (nonzero) digits is 52734375, while the sum is 57.

The spelling of 55500555055539 in words is "fifty-five trillion, five hundred billion, five hundred fifty-five million, fifty-five thousand, five hundred thirty-nine".