55033633 has 4 divisors (see below), whose sum is σ = 57930160. Its totient is φ = 52137108.

The previous prime is 55033609. The next prime is 55033637. The reversal of 55033633 is 33633055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55033633 is a prime.

It is a super-2 number, since 2×55033633² = 6057401522357378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55033637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1448235 + ... + 1448272.

It is an arithmetic number, because the mean of its divisors is an integer number (14482540).

Almost surely, 2^55033633 is an apocalyptic number.

It is an amenable number.

55033633 is a deficient number, since it is larger than the sum of its proper divisors (2896527).

55033633 is a wasteful number, since it uses less digits than its factorization.

55033633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896526.

The product of its (nonzero) digits is 12150, while the sum is 28.

The square root of 55033633 is about 7418.4656769443. The cubic root of 55033633 is about 380.3727482806.

Adding to 55033633 its reverse (33633055), we get a palindrome (88666688).

The spelling of 55033633 in words is "fifty-five million, thirty-three thousand, six hundred thirty-three".