55553303 has 8 divisors (see below), whose sum is σ = 62428128. Its totient is φ = 49050144.

The previous prime is 55553269. The next prime is 55553327. The reversal of 55553303 is 30335555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55553303 - 2²² = 51358999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55553203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92600 + ... + 93197.

It is an arithmetic number, because the mean of its divisors is an integer number (7803516).

Almost surely, 2^55553303 is an apocalyptic number.

55553303 is a deficient number, since it is larger than the sum of its proper divisors (6874825).

55553303 is a wasteful number, since it uses less digits than its factorization.

55553303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185833.

The product of its (nonzero) digits is 16875, while the sum is 29.

The square root of 55553303 is about 7453.4088174472. The cubic root of 55553303 is about 381.5662570499.

Adding to 55553303 its reverse (30335555), we get a palindrome (85888858).

The spelling of 55553303 in words is "fifty-five million, five hundred fifty-three thousand, three hundred three".