55233543 has 8 divisors (see below), whose sum is σ = 75357568. Its totient is φ = 35965944.

The previous prime is 55233539. The next prime is 55233547. The reversal of 55233543 is 34533255.

It is an interprime number because it is at equal distance from previous prime (55233539) and next prime (55233547).

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

It is not a de Polignac number, because 55233543 - 2² = 55233539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55233543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55233547) 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, 213955 + ... + 214212.

It is an arithmetic number, because the mean of its divisors is an integer number (9419696).

Almost surely, 2^55233543 is an apocalyptic number.

55233543 is a deficient number, since it is larger than the sum of its proper divisors (20124025).

55233543 is a wasteful number, since it uses less digits than its factorization.

55233543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428213.

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

The square root of 55233543 is about 7431.9272735946. The cubic root of 55233543 is about 380.8327604890.

Adding to 55233543 its reverse (34533255), we get a palindrome (89766798).

The spelling of 55233543 in words is "fifty-five million, two hundred thirty-three thousand, five hundred forty-three".