55944001 has 4 divisors (see below), whose sum is σ = 56498004. Its totient is φ = 55390000.

The previous prime is 55943983. The next prime is 55944011. The reversal of 55944001 is 10044955.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45697600 + 10246401 = 6760^2 + 3201^2 .

It is a cyclic number.

It is not a de Polignac number, because 55944001 - 2⁵ = 55943969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55944011) 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, 276850 + ... + 277051.

It is an arithmetic number, because the mean of its divisors is an integer number (14124501).

Almost surely, 2^55944001 is an apocalyptic number.

It is an amenable number.

55944001 is a deficient number, since it is larger than the sum of its proper divisors (554003).

55944001 is a wasteful number, since it uses less digits than its factorization.

55944001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554002.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 55944001 is about 7479.5722471275. The cubic root of 55944001 is about 382.4586675546.

Adding to 55944001 its reverse (10044955), we get a palindrome (65988956).

The spelling of 55944001 in words is "fifty-five million, nine hundred forty-four thousand, one".