55333373 has 4 divisors (see below), whose sum is σ = 55513920. Its totient is φ = 55152828.

The previous prime is 55333367. The next prime is 55333379. The reversal of 55333373 is 37333355.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37333355 = 5 ⋅7466671.

It is an interprime number because it is at equal distance from previous prime (55333367) and next prime (55333379).

It is a cyclic number.

It is not a de Polignac number, because 55333373 - 2¹⁸ = 55071229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55333379) 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, 89813 + ... + 90426.

It is an arithmetic number, because the mean of its divisors is an integer number (13878480).

Almost surely, 2^55333373 is an apocalyptic number.

It is an amenable number.

55333373 is a deficient number, since it is larger than the sum of its proper divisors (180547).

55333373 is a wasteful number, since it uses less digits than its factorization.

55333373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180546.

The product of its digits is 42525, while the sum is 32.

The square root of 55333373 is about 7438.6405343987. The cubic root of 55333373 is about 381.0620634952.

The spelling of 55333373 in words is "fifty-five million, three hundred thirty-three thousand, three hundred seventy-three".