55362216 has 64 divisors (see below), whose sum is σ = 170352000. Its totient is φ = 14600448.

The previous prime is 55362211. The next prime is 55362227. The reversal of 55362216 is 61226355.

It is not an unprimeable number, because it can be changed into a prime (55362211) by changing a digit.

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, 10491 + ... + 14858.

It is an arithmetic number, because the mean of its divisors is an integer number (2661750).

Almost surely, 2^55362216 is an apocalyptic number.

55362216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55362216 is an abundant number, since it is smaller than the sum of its proper divisors (114989784).

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

55362216 is a wasteful number, since it uses less digits than its factorization.

55362216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25378 (or 25374 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 55362216 is about 7440.5790097277. The cubic root of 55362216 is about 381.1282626281.

The spelling of 55362216 in words is "fifty-five million, three hundred sixty-two thousand, two hundred sixteen".