55398041 has 2 divisors, whose sum is σ = 55398042. Its totient is φ = 55398040.

The previous prime is 55398037. The next prime is 55398047. The reversal of 55398041 is 14089355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54700816 + 697225 = 7396^2 + 835^2 .

It is a cyclic number.

It is not a de Polignac number, because 55398041 - 2² = 55398037 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55397992 and 55398010.

It is not a weakly prime, because it can be changed into another prime (55398047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27699020 + 27699021.

It is an arithmetic number, because the mean of its divisors is an integer number (27699021).

Almost surely, 2^55398041 is an apocalyptic number.

It is an amenable number.

55398041 is a deficient number, since it is larger than the sum of its proper divisors (1).

55398041 is an equidigital number, since it uses as much as digits as its factorization.

55398041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 55398041 is about 7442.9860271265. The cubic root of 55398041 is about 381.2104545205.

The spelling of 55398041 in words is "fifty-five million, three hundred ninety-eight thousand, forty-one".