55140301 has 2 divisors, whose sum is σ = 55140302. Its totient is φ = 55140300.

The previous prime is 55140287. The next prime is 55140311. The reversal of 55140301 is 10304155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54686025 + 454276 = 7395^2 + 674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55140301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55140311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27570150 + 27570151.

It is an arithmetic number, because the mean of its divisors is an integer number (27570151).

Almost surely, 2^55140301 is an apocalyptic number.

It is an amenable number.

55140301 is a deficient number, since it is larger than the sum of its proper divisors (1).

55140301 is an equidigital number, since it uses as much as digits as its factorization.

55140301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 55140301 is about 7425.6515539042. The cubic root of 55140301 is about 380.6183400069.

Adding to 55140301 its reverse (10304155), we get a palindrome (65444456).

The spelling of 55140301 in words is "fifty-five million, one hundred forty thousand, three hundred one".