55432030227177 has 4 divisors (see below), whose sum is σ = 73909373636240. Its totient is φ = 36954686818116.

The previous prime is 55432030227169. The next prime is 55432030227179. The reversal of 55432030227177 is 77172203023455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55432030227177 - 2³ = 55432030227169 is a prime.

It is a super-2 number, since 2×55432030227177² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55432030227179) 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, 9238671704527 + ... + 9238671704532.

It is an arithmetic number, because the mean of its divisors is an integer number (18477343409060).

Almost surely, 2^{55432030227177} is an apocalyptic number.

It is an amenable number.

55432030227177 is a deficient number, since it is larger than the sum of its proper divisors (18477343409063).

55432030227177 is a wasteful number, since it uses less digits than its factorization.

55432030227177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18477343409062.

The product of its (nonzero) digits is 2469600, while the sum is 48.

The spelling of 55432030227177 in words is "fifty-five trillion, four hundred thirty-two billion, thirty million, two hundred twenty-seven thousand, one hundred seventy-seven".