55065542542345 has 64 divisors (see below), whose sum is σ = 70372428825600. Its totient is φ = 41294272481280.

The previous prime is 55065542542303. The next prime is 55065542542349. The reversal of 55065542542345 is 54324524556055.

It is not a de Polignac number, because 55065542542345 - 2²¹ = 55065540445193 is a prime.

It is a super-2 number, since 2×55065542542345² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55065542542349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2550618811 + ... + 2550640399.

It is an arithmetic number, because the mean of its divisors is an integer number (1099569200400).

Almost surely, 2^{55065542542345} is an apocalyptic number.

It is an amenable number.

55065542542345 is a deficient number, since it is larger than the sum of its proper divisors (15306886283255).

55065542542345 is a wasteful number, since it uses less digits than its factorization.

55065542542345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24658.

The product of its (nonzero) digits is 72000000, while the sum is 55.

The spelling of 55065542542345 in words is "fifty-five trillion, sixty-five billion, five hundred forty-two million, five hundred forty-two thousand, three hundred forty-five".