55277165 has 16 divisors (see below), whose sum is σ = 69552000. Its totient is φ = 42094272.

The previous prime is 55277141. The next prime is 55277179. The reversal of 55277165 is 56177255.

It is a cyclic number.

It is not a de Polignac number, because 55277165 - 2¹⁸ = 55015021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25286 + ... + 27384.

It is an arithmetic number, because the mean of its divisors is an integer number (4347000).

Almost surely, 2^55277165 is an apocalyptic number.

It is an amenable number.

55277165 is a deficient number, since it is larger than the sum of its proper divisors (14274835).

55277165 is a wasteful number, since it uses less digits than its factorization.

55277165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356.

The product of its digits is 73500, while the sum is 38.

The square root of 55277165 is about 7434.8614647484. The cubic root of 55277165 is about 380.9329913408.

The spelling of 55277165 in words is "fifty-five million, two hundred seventy-seven thousand, one hundred sixty-five".