55289445357 has 8 divisors (see below), whose sum is σ = 74131100640. Its totient is φ = 36653710160.

The previous prime is 55289445331. The next prime is 55289445359. The reversal of 55289445357 is 75354498255.

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 55289445357 - 2²⁰ = 55288396781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55289445297 and 55289445306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55289445359) 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, 51479394 + ... + 51480467.

It is an arithmetic number, because the mean of its divisors is an integer number (9266387580).

Almost surely, 2^55289445357 is an apocalyptic number.

It is an amenable number.

55289445357 is a deficient number, since it is larger than the sum of its proper divisors (18841655283).

55289445357 is a wasteful number, since it uses less digits than its factorization.

55289445357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102960043.

The product of its digits is 30240000, while the sum is 57.

The spelling of 55289445357 in words is "fifty-five billion, two hundred eighty-nine million, four hundred forty-five thousand, three hundred fifty-seven".