55527218485 has 8 divisors (see below), whose sum is σ = 67627179936. Its totient is φ = 43758762960.

The previous prime is 55527218479. The next prime is 55527218489. The reversal of 55527218485 is 58481272555.

It is a happy number.

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

It is not a de Polignac number, because 55527218485 - 2³³ = 46937283893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55527218489) 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, 82876111 + ... + 82876780.

It is an arithmetic number, because the mean of its divisors is an integer number (8453397492).

Almost surely, 2^55527218485 is an apocalyptic number.

It is an amenable number.

55527218485 is a deficient number, since it is larger than the sum of its proper divisors (12099961451).

55527218485 is a wasteful number, since it uses less digits than its factorization.

55527218485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165752963.

The product of its digits is 4480000, while the sum is 52.

The spelling of 55527218485 in words is "fifty-five billion, five hundred twenty-seven million, two hundred eighteen thousand, four hundred eighty-five".