55930177 has 4 divisors (see below), whose sum is σ = 56059780. Its totient is φ = 55800576.

The previous prime is 55930163. The next prime is 55930201. The reversal of 55930177 is 77103955.

It is a happy number.

55930177 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5363856 + 50566321 = 2316^2 + 7111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55930177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55930117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64152 + ... + 65017.

It is an arithmetic number, because the mean of its divisors is an integer number (14014945).

Almost surely, 2^55930177 is an apocalyptic number.

It is an amenable number.

55930177 is a deficient number, since it is larger than the sum of its proper divisors (129603).

55930177 is a wasteful number, since it uses less digits than its factorization.

55930177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129602.

The product of its (nonzero) digits is 33075, while the sum is 37.

The square root of 55930177 is about 7478.6480730143. The cubic root of 55930177 is about 382.4271625729.

Subtracting 55930177 from its reverse (77103955), we obtain a triangular number (21173778 = T₆₅₀₇).

The spelling of 55930177 in words is "fifty-five million, nine hundred thirty thousand, one hundred seventy-seven".