55953013 has 2 divisors, whose sum is σ = 55953014. Its totient is φ = 55953012.

The previous prime is 55952993. The next prime is 55953017. The reversal of 55953013 is 31035955.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34774609 + 21178404 = 5897^2 + 4602^2 .

It is a cyclic number.

It is not a de Polignac number, because 55953013 - 2¹³ = 55944821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55953017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27976506 + 27976507.

It is an arithmetic number, because the mean of its divisors is an integer number (27976507).

Almost surely, 2^55953013 is an apocalyptic number.

It is an amenable number.

55953013 is a deficient number, since it is larger than the sum of its proper divisors (1).

55953013 is an equidigital number, since it uses as much as digits as its factorization.

55953013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10125, while the sum is 31.

The square root of 55953013 is about 7480.1746637361. The cubic root of 55953013 is about 382.4792031639.

Adding to 55953013 its reverse (31035955), we get a palindrome (86988968).

The spelling of 55953013 in words is "fifty-five million, nine hundred fifty-three thousand, thirteen".