55529908827 has 4 divisors (see below), whose sum is σ = 74039878440. Its totient is φ = 37019939216.

The previous prime is 55529908817. The next prime is 55529908897. The reversal of 55529908827 is 72880992555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55529908827 - 2³² = 51234941531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55529908817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9254984802 + ... + 9254984807.

It is an arithmetic number, because the mean of its divisors is an integer number (18509969610).

Almost surely, 2^55529908827 is an apocalyptic number.

55529908827 is a deficient number, since it is larger than the sum of its proper divisors (18509969613).

55529908827 is a wasteful number, since it uses less digits than its factorization.

55529908827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18509969612.

The product of its (nonzero) digits is 18144000, while the sum is 60.

The spelling of 55529908827 in words is "fifty-five billion, five hundred twenty-nine million, nine hundred eight thousand, eight hundred twenty-seven".