55177312 has 24 divisors (see below), whose sum is σ = 109269216. Its totient is φ = 27426432.

The previous prime is 55177289. The next prime is 55177319. The reversal of 55177312 is 21377155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55177319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553 + ... + 10519.

It is an arithmetic number, because the mean of its divisors is an integer number (4552884).

Almost surely, 2^55177312 is an apocalyptic number.

It is an amenable number.

55177312 is a deficient number, since it is larger than the sum of its proper divisors (54091904).

55177312 is a wasteful number, since it uses less digits than its factorization.

55177312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10150 (or 10142 counting only the distinct ones).

The product of its digits is 7350, while the sum is 31.

The square root of 55177312 is about 7428.1432404067. The cubic root of 55177312 is about 380.7034798803.

The spelling of 55177312 in words is "fifty-five million, one hundred seventy-seven thousand, three hundred twelve".