55988955 has 64 divisors (see below), whose sum is σ = 111628800. Its totient is φ = 26386560.

The previous prime is 55988951. The next prime is 55988963.

55988955 is a `hidden beast` number, since 559 + 8 + 89 + 5 + 5 = 666.

55988955 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55988955 - 2² = 55988951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55988951) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54436 + ... + 55454.

It is an arithmetic number, because the mean of its divisors is an integer number (1744200).

Almost surely, 2^55988955 is an apocalyptic number.

55988955 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55988955 is a deficient number, since it is larger than the sum of its proper divisors (55639845).

55988955 is a wasteful number, since it uses less digits than its factorization.

55988955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1075 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 54.

The square root of 55988955 is about 7482.5767620520. The cubic root of 55988955 is about 382.5610821329.

The spelling of 55988955 in words is "fifty-five million, nine hundred eighty-eight thousand, nine hundred fifty-five".