55327037089 has 9 divisors (see below), whose sum is σ = 56719276761. Its totient is φ = 53968188480.

The previous prime is 55327037063. The next prime is 55327037113. The reversal of 55327037089 is 98073072355.

The square root of 55327037089 is 235217.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 50026032225 + 5301004864 = 223665^2 + 72808^2 .

It is not a de Polignac number, because 55327037089 - 2⁵ = 55327037057 is a prime.

It is a super-2 number, since 2×55327037089² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55327037189) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9641029 + ... + 9646765.

Almost surely, 2^55327037089 is an apocalyptic number.

55327037089 is the 235217-th square number.

55327037089 is the 117609-th centered octagonal number.

It is an amenable number.

55327037089 is a deficient number, since it is larger than the sum of its proper divisors (1392239672).

55327037089 is an frugal number, since it uses more digits than its factorization.

55327037089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11556 (or 5778 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 49.

Multiplying 55327037089 by its sum of digits (49), we get a square (2711024817361 = 1646519²).

The spelling of 55327037089 in words is "fifty-five billion, three hundred twenty-seven million, thirty-seven thousand, eighty-nine".