55140041 has 16 divisors (see below), whose sum is σ = 62747136. Its totient is φ = 48000000.

The previous prime is 55140037. The next prime is 55140047. The reversal of 55140041 is 14004155.

It is a cyclic number.

It is not a de Polignac number, because 55140041 - 2² = 55140037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55139995 and 55140022.

It is not an unprimeable number, because it can be changed into a prime (55140047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33641 + ... + 35241.

It is an arithmetic number, because the mean of its divisors is an integer number (3921696).

Almost surely, 2^55140041 is an apocalyptic number.

It is an amenable number.

55140041 is a deficient number, since it is larger than the sum of its proper divisors (7607095).

55140041 is a wasteful number, since it uses less digits than its factorization.

55140041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 55140041 is about 7425.6340470023. The cubic root of 55140041 is about 380.6177417698.

Adding to 55140041 its reverse (14004155), we get a palindrome (69144196).

The spelling of 55140041 in words is "fifty-five million, one hundred forty thousand, forty-one".