55875233 has 2 divisors, whose sum is σ = 55875234. Its totient is φ = 55875232.

The previous prime is 55875229. The next prime is 55875247. The reversal of 55875233 is 33257855.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52519009 + 3356224 = 7247^2 + 1832^2 .

It is a cyclic number.

It is not a de Polignac number, because 55875233 - 2² = 55875229 is a prime.

It is a super-3 number, since 3×55875233³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (55875283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27937616 + 27937617.

It is an arithmetic number, because the mean of its divisors is an integer number (27937617).

Almost surely, 2^55875233 is an apocalyptic number.

It is an amenable number.

55875233 is a deficient number, since it is larger than the sum of its proper divisors (1).

55875233 is an equidigital number, since it uses as much as digits as its factorization.

55875233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 38.

The square root of 55875233 is about 7474.9737792182. The cubic root of 55875233 is about 382.3018935117.

The spelling of 55875233 in words is "fifty-five million, eight hundred seventy-five thousand, two hundred thirty-three".