55233250 has 16 divisors (see below), whose sum is σ = 103397112. Its totient is φ = 22093200.

The previous prime is 55233239. The next prime is 55233251. The reversal of 55233250 is 5233255.

55233250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13126129 + 42107121 = 3623^2 + 6489^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (55233251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110217 + ... + 110716.

Almost surely, 2^55233250 is an apocalyptic number.

55233250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55233250 is a deficient number, since it is larger than the sum of its proper divisors (48163862).

55233250 is a wasteful number, since it uses less digits than its factorization.

55233250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220950 (or 220940 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 55233250 is about 7431.9075613196. The cubic root of 55233250 is about 380.8320870806.

The spelling of 55233250 in words is "fifty-five million, two hundred thirty-three thousand, two hundred fifty".