55426313 has 2 divisors, whose sum is σ = 55426314. Its totient is φ = 55426312.

The previous prime is 55426289. The next prime is 55426339. The reversal of 55426313 is 31362455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48888064 + 6538249 = 6992^2 + 2557^2 .

It is a cyclic number.

It is not a de Polignac number, because 55426313 - 2⁸ = 55426057 is a prime.

It is not a weakly prime, because it can be changed into another prime (55426213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27713156 + 27713157.

It is an arithmetic number, because the mean of its divisors is an integer number (27713157).

Almost surely, 2^55426313 is an apocalyptic number.

It is an amenable number.

55426313 is a deficient number, since it is larger than the sum of its proper divisors (1).

55426313 is an equidigital number, since it uses as much as digits as its factorization.

55426313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 29.

The square root of 55426313 is about 7444.8850226179. The cubic root of 55426313 is about 381.2752928485.

Adding to 55426313 its reverse (31362455), we get a palindrome (86788768).

The spelling of 55426313 in words is "fifty-five million, four hundred twenty-six thousand, three hundred thirteen".