55630276 has 48 divisors (see below), whose sum is σ = 108909360. Its totient is φ = 24698880.

The previous prime is 55630259. The next prime is 55630279. The reversal of 55630276 is 67203655.

55630276 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 26728900 + 28901376 = 5170^2 + 5376^2 .

55630276 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (55630279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206670 + ... + 206938.

It is an arithmetic number, because the mean of its divisors is an integer number (2268945).

Almost surely, 2^55630276 is an apocalyptic number.

It is an amenable number.

55630276 is a deficient number, since it is larger than the sum of its proper divisors (53279084).

55630276 is a wasteful number, since it uses less digits than its factorization.

55630276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 55630276 is about 7458.5706405450. The cubic root of 55630276 is about 381.7424046624.

The spelling of 55630276 in words is "fifty-five million, six hundred thirty thousand, two hundred seventy-six".