55533243 has 8 divisors (see below), whose sum is σ = 74088000. Its totient is φ = 37000328.

The previous prime is 55533227. The next prime is 55533259. The reversal of 55533243 is 34233555.

It is an interprime number because it is at equal distance from previous prime (55533227) and next prime (55533259).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55533243 - 2⁴ = 55533227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55533243.

It is not an unprimeable number, because it can be changed into a prime (55533043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1888 + ... + 10706.

It is an arithmetic number, because the mean of its divisors is an integer number (9261000).

Almost surely, 2^55533243 is an apocalyptic number.

55533243 is a deficient number, since it is larger than the sum of its proper divisors (18554757).

55533243 is a wasteful number, since it uses less digits than its factorization.

55533243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10921.

The product of its digits is 27000, while the sum is 30.

The square root of 55533243 is about 7452.0630029543. The cubic root of 55533243 is about 381.5203243439.

Adding to 55533243 its reverse (34233555), we get a palindrome (89766798).

The spelling of 55533243 in words is "fifty-five million, five hundred thirty-three thousand, two hundred forty-three".