55745177 has 4 divisors (see below), whose sum is σ = 55773696. Its totient is φ = 55716660.

The previous prime is 55745141. The next prime is 55745189. The reversal of 55745177 is 77154755.

It is a happy number.

55745177 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55745177 - 2⁶ = 55745113 is a prime.

It is a super-2 number, since 2×55745177² = 6215049517522658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55745197) 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, 11093 + ... + 15314.

It is an arithmetic number, because the mean of its divisors is an integer number (13943424).

Almost surely, 2^55745177 is an apocalyptic number.

It is an amenable number.

55745177 is a deficient number, since it is larger than the sum of its proper divisors (28519).

55745177 is a wasteful number, since it uses less digits than its factorization.

55745177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28518.

The product of its digits is 171500, while the sum is 41.

The square root of 55745177 is about 7466.2692825802. The cubic root of 55745177 is about 382.0050459390.

The spelling of 55745177 in words is "fifty-five million, seven hundred forty-five thousand, one hundred seventy-seven".