55645340053 has 8 divisors (see below), whose sum is σ = 58251413376. Its totient is φ = 53054826000.

The previous prime is 55645340027. The next prime is 55645340057. The reversal of 55645340053 is 35004354655.

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

It is a cyclic number.

It is not a de Polignac number, because 55645340053 - 2³³ = 47055405461 is a prime.

It is a super-2 number, since 2×55645340053² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55645339988 and 55645340015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55645340057) 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 7 ways as a sum of consecutive naturals, for example, 3882498 + ... + 3896803.

It is an arithmetic number, because the mean of its divisors is an integer number (7281426672).

Almost surely, 2^55645340053 is an apocalyptic number.

It is an amenable number.

55645340053 is a deficient number, since it is larger than the sum of its proper divisors (2606073323).

55645340053 is a wasteful number, since it uses less digits than its factorization.

55645340053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7779635.

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 55645340053 in words is "fifty-five billion, six hundred forty-five million, three hundred forty thousand, fifty-three".