55233030 has 32 divisors (see below), whose sum is σ = 134431488. Its totient is φ = 14520800.

The previous prime is 55233007. The next prime is 55233043. The reversal of 55233030 is 3033255.

It is a junction number, because it is equal to n+sod(n) for n = 55232988 and 55233006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10836 + ... + 15095.

It is an arithmetic number, because the mean of its divisors is an integer number (4200984).

Almost surely, 2^55233030 is an apocalyptic number.

55233030 is an abundant number, since it is smaller than the sum of its proper divisors (79198458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55233030 is a wasteful number, since it uses less digits than its factorization.

55233030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26012.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 55233030 is about 7431.8927602597. The cubic root of 55233030 is about 380.8315814482.

Adding to 55233030 its reverse (3033255), we get a palindrome (58266285).

The spelling of 55233030 in words is "fifty-five million, two hundred thirty-three thousand, thirty".