55505355 has 32 divisors (see below), whose sum is σ = 91542528. Its totient is φ = 28704000.

The previous prime is 55505353. The next prime is 55505377. The reversal of 55505355 is 55350555.

It is not a de Polignac number, because 55505355 - 2¹ = 55505353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55505353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92055 + ... + 92655.

It is an arithmetic number, because the mean of its divisors is an integer number (2860704).

Almost surely, 2^55505355 is an apocalyptic number.

55505355 is a deficient number, since it is larger than the sum of its proper divisors (36037173).

55505355 is a wasteful number, since it uses less digits than its factorization.

55505355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787.

The product of its (nonzero) digits is 46875, while the sum is 33.

The square root of 55505355 is about 7450.1916082742. The cubic root of 55505355 is about 381.4564489677.

The spelling of 55505355 in words is "fifty-five million, five hundred five thousand, three hundred fifty-five".