55402333 has 4 divisors (see below), whose sum is σ = 63316960. Its totient is φ = 47487708.

The previous prime is 55402279. The next prime is 55402349. The reversal of 55402333 is 33320455.

It is a happy number.

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 not a de Polignac number, because 55402333 - 2⁹ = 55401821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55402298 and 55402307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55402733) 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, 3957303 + ... + 3957316.

It is an arithmetic number, because the mean of its divisors is an integer number (15829240).

Almost surely, 2^55402333 is an apocalyptic number.

It is an amenable number.

55402333 is a deficient number, since it is larger than the sum of its proper divisors (7914627).

55402333 is an equidigital number, since it uses as much as digits as its factorization.

55402333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7914626.

The product of its (nonzero) digits is 5400, while the sum is 25.

The square root of 55402333 is about 7443.2743466837. The cubic root of 55402333 is about 381.2202991106.

Adding to 55402333 its reverse (33320455), we get a palindrome (88722788).

The spelling of 55402333 in words is "fifty-five million, four hundred two thousand, three hundred thirty-three".