55520180853 has 8 divisors (see below), whose sum is σ = 74099988768. Its totient is φ = 36976913424.

The previous prime is 55520180831. The next prime is 55520180893. The reversal of 55520180853 is 35808102555.

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

It is not a de Polignac number, because 55520180853 - 2⁶ = 55520180789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55520180893) 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, 9131575 + ... + 9137652.

It is an arithmetic number, because the mean of its divisors is an integer number (9262498596).

Almost surely, 2^55520180853 is an apocalyptic number.

It is an amenable number.

55520180853 is a deficient number, since it is larger than the sum of its proper divisors (18579807915).

55520180853 is a wasteful number, since it uses less digits than its factorization.

55520180853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18270243.

The product of its (nonzero) digits is 240000, while the sum is 42.

The spelling of 55520180853 in words is "fifty-five billion, five hundred twenty million, one hundred eighty thousand, eight hundred fifty-three".