55000505555557 has 8 divisors (see below), whose sum is σ = 56121880256640. Its totient is φ = 53889759998880.

The previous prime is 55000505555543. The next prime is 55000505555627. The reversal of 55000505555557 is 75555550500055.

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 55000505555557 - 2³⁵ = 54966145817189 is a prime.

It is a super-2 number, since 2×55000505555557² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000505505557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2657275648 + ... + 2657296345.

It is an arithmetic number, because the mean of its divisors is an integer number (7015235032080).

Almost surely, 2^{55000505555557} is an apocalyptic number.

It is an amenable number.

55000505555557 is a deficient number, since it is larger than the sum of its proper divisors (1121374701083).

55000505555557 is a wasteful number, since it uses less digits than its factorization.

55000505555557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314572203.

The product of its (nonzero) digits is 13671875, while the sum is 52.

The spelling of 55000505555557 in words is "fifty-five trillion, five hundred five million, five hundred fifty-five thousand, five hundred fifty-seven".