55743033 has 4 divisors (see below), whose sum is σ = 74324048. Its totient is φ = 37162020.

The previous prime is 55743001. The next prime is 55743047. The reversal of 55743033 is 33034755.

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 not a de Polignac number, because 55743033 - 2⁵ = 55743001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55743073) 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, 9290503 + ... + 9290508.

It is an arithmetic number, because the mean of its divisors is an integer number (18581012).

Almost surely, 2^55743033 is an apocalyptic number.

It is an amenable number.

55743033 is a deficient number, since it is larger than the sum of its proper divisors (18581015).

55743033 is a wasteful number, since it uses less digits than its factorization.

55743033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18581014.

The product of its (nonzero) digits is 18900, while the sum is 30.

The square root of 55743033 is about 7466.1257021296. The cubic root of 55743033 is about 382.0001484791. Note that the first 3 decimals are identical.

Adding to 55743033 its reverse (33034755), we get a palindrome (88777788).

The spelling of 55743033 in words is "fifty-five million, seven hundred forty-three thousand, thirty-three".