55013633 has 4 divisors (see below), whose sum is σ = 55834800. Its totient is φ = 54192468.

The previous prime is 55013617. The next prime is 55013653. The reversal of 55013633 is 33631055.

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 not a de Polignac number, because 55013633 - 2⁴ = 55013617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55013653) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 410483 + ... + 410616.

It is an arithmetic number, because the mean of its divisors is an integer number (13958700).

Almost surely, 2^55013633 is an apocalyptic number.

It is an amenable number.

55013633 is a deficient number, since it is larger than the sum of its proper divisors (821167).

55013633 is an equidigital number, since it uses as much as digits as its factorization.

55013633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821166.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 55013633 is about 7417.1175668180. The cubic root of 55013633 is about 380.3266650869.

Adding to 55013633 its reverse (33631055), we get a palindrome (88644688).

The spelling of 55013633 in words is "fifty-five million, thirteen thousand, six hundred thirty-three".