55426339 has 2 divisors, whose sum is σ = 55426340. Its totient is φ = 55426338.

The previous prime is 55426313. The next prime is 55426351. The reversal of 55426339 is 93362455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55426339 - 2⁹ = 55425827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55426298 and 55426307.

It is not a weakly prime, because it can be changed into another prime (55426379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27713169 + 27713170.

It is an arithmetic number, because the mean of its divisors is an integer number (27713170).

Almost surely, 2^55426339 is an apocalyptic number.

55426339 is a deficient number, since it is larger than the sum of its proper divisors (1).

55426339 is an equidigital number, since it uses as much as digits as its factorization.

55426339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 37.

The square root of 55426339 is about 7444.8867687830. The cubic root of 55426339 is about 381.2753524662.

It can be divided in two parts, 5542 and 6339, that added together give a square (11881 = 109²).

The spelling of 55426339 in words is "fifty-five million, four hundred twenty-six thousand, three hundred thirty-nine".