55177276 has 48 divisors (see below), whose sum is σ = 125637120. Its totient is φ = 20560320.

The previous prime is 55177271. The next prime is 55177277. The reversal of 55177276 is 67277155.

55177276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55177271) 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 15 ways as a sum of consecutive naturals, for example, 3190 + ... + 10978.

It is an arithmetic number, because the mean of its divisors is an integer number (2617440).

Almost surely, 2^55177276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55177276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62818560).

55177276 is an abundant number, since it is smaller than the sum of its proper divisors (70459844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55177276 is a wasteful number, since it uses less digits than its factorization.

55177276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7834 (or 7832 counting only the distinct ones).

The product of its digits is 102900, while the sum is 40.

The square root of 55177276 is about 7428.1408171897. The cubic root of 55177276 is about 380.7033970847.

The spelling of 55177276 in words is "fifty-five million, one hundred seventy-seven thousand, two hundred seventy-six".