55766233 has 4 divisors (see below), whose sum is σ = 56530228. Its totient is φ = 55002240.

The previous prime is 55766231. The next prime is 55766251. The reversal of 55766233 is 33266755.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33266755 = 5 ⋅6653351.

It can be written as a sum of positive squares in 2 ways, for example, as 35081929 + 20684304 = 5923^2 + 4548^2 .

It is a cyclic number.

It is not a de Polignac number, because 55766233 - 2¹ = 55766231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55766192 and 55766201.

It is not an unprimeable number, because it can be changed into a prime (55766231) 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, 381888 + ... + 382033.

It is an arithmetic number, because the mean of its divisors is an integer number (14132557).

Almost surely, 2^55766233 is an apocalyptic number.

It is an amenable number.

55766233 is a deficient number, since it is larger than the sum of its proper divisors (763995).

55766233 is an equidigital number, since it uses as much as digits as its factorization.

55766233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763994.

The product of its digits is 113400, while the sum is 37.

The square root of 55766233 is about 7467.6792244981. The cubic root of 55766233 is about 382.0531367107.

The spelling of 55766233 in words is "fifty-five million, seven hundred sixty-six thousand, two hundred thirty-three".