55573333 has 4 divisors (see below), whose sum is σ = 56356128. Its totient is φ = 54790540.

The previous prime is 55573321. The next prime is 55573361. The reversal of 55573333 is 33337555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55573333 is a prime.

It is a super-3 number, since 3×55573333³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55573303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391291 + ... + 391432.

It is an arithmetic number, because the mean of its divisors is an integer number (14089032).

Almost surely, 2^55573333 is an apocalyptic number.

It is an amenable number.

55573333 is a deficient number, since it is larger than the sum of its proper divisors (782795).

55573333 is an equidigital number, since it uses as much as digits as its factorization.

55573333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782794.

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

The square root of 55573333 is about 7454.7523768399. The cubic root of 55573333 is about 381.6121100316.

The spelling of 55573333 in words is "fifty-five million, five hundred seventy-three thousand, three hundred thirty-three".