55353337 has 4 divisors (see below), whose sum is σ = 59611300. Its totient is φ = 51095376.

The previous prime is 55353307. The next prime is 55353349. The reversal of 55353337 is 73335355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30791401 + 24561936 = 5549^2 + 4956^2 .

It is a cyclic number.

It is not a de Polignac number, because 55353337 - 2⁷ = 55353209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55353307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2128962 + ... + 2128987.

It is an arithmetic number, because the mean of its divisors is an integer number (14902825).

Almost surely, 2^55353337 is an apocalyptic number.

It is an amenable number.

55353337 is a deficient number, since it is larger than the sum of its proper divisors (4257963).

55353337 is a wasteful number, since it uses less digits than its factorization.

55353337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4257962.

The product of its digits is 70875, while the sum is 34.

The square root of 55353337 is about 7439.9823252478. The cubic root of 55353337 is about 381.1078864039.

The spelling of 55353337 in words is "fifty-five million, three hundred fifty-three thousand, three hundred thirty-seven".