55628355 has 16 divisors (see below), whose sum is σ = 89109504. Its totient is φ = 29633760.

The previous prime is 55628347. The next prime is 55628381. The reversal of 55628355 is 55382655.

It is not a de Polignac number, because 55628355 - 2³ = 55628347 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15982 + ... + 19148.

It is an arithmetic number, because the mean of its divisors is an integer number (5569344).

Almost surely, 2^55628355 is an apocalyptic number.

55628355 is a deficient number, since it is larger than the sum of its proper divisors (33481149).

55628355 is a wasteful number, since it uses less digits than its factorization.

55628355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4346.

The product of its digits is 180000, while the sum is 39.

The square root of 55628355 is about 7458.4418614078. The cubic root of 55628355 is about 381.7380105587.

The spelling of 55628355 in words is "fifty-five million, six hundred twenty-eight thousand, three hundred fifty-five".