55107547237645 has 32 divisors (see below), whose sum is σ = 78681930594048. Its totient is φ = 36263080263168.

The previous prime is 55107547237583. The next prime is 55107547237649. The reversal of 55107547237645 is 54673274570155.

It is a happy number.

55107547237645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55107547237645 - 2²¹ = 55107545140493 is a prime.

It is a super-3 number, since 3×55107547237645³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55107547237649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291371839 + ... + 291560908.

It is an arithmetic number, because the mean of its divisors is an integer number (2458810331064).

Almost surely, 2^{55107547237645} is an apocalyptic number.

It is an amenable number.

55107547237645 is a deficient number, since it is larger than the sum of its proper divisors (23574383356403).

55107547237645 is a wasteful number, since it uses less digits than its factorization.

55107547237645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582932869.

The product of its (nonzero) digits is 123480000, while the sum is 61.

The spelling of 55107547237645 in words is "fifty-five trillion, one hundred seven billion, five hundred forty-seven million, two hundred thirty-seven thousand, six hundred forty-five".