55743011 has 4 divisors (see below), whose sum is σ = 56295024. Its totient is φ = 55191000.

The previous prime is 55743001. The next prime is 55743047. The reversal of 55743011 is 11034755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55743011 is a prime.

It is a super-2 number, since 2×55743011² = 6214566550692242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55743001) 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, 275855 + ... + 276056.

It is an arithmetic number, because the mean of its divisors is an integer number (14073756).

Almost surely, 2^55743011 is an apocalyptic number.

55743011 is a deficient number, since it is larger than the sum of its proper divisors (552013).

55743011 is a wasteful number, since it uses less digits than its factorization.

55743011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552012.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 55743011 is about 7466.1242288084. The cubic root of 55743011 is about 382.0000982246. Note that the first 4 decimals are identical.

Adding to 55743011 its reverse (11034755), we get a palindrome (66777766).

The spelling of 55743011 in words is "fifty-five million, seven hundred forty-three thousand, eleven".