55708403 has 2 divisors, whose sum is σ = 55708404. Its totient is φ = 55708402.

The previous prime is 55708379. The next prime is 55708409. The reversal of 55708403 is 30480755.

It is a happy number.

55708403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55708403 - 2²⁴ = 38931187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55708403.

It is not a weakly prime, because it can be changed into another prime (55708409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27854201 + 27854202.

It is an arithmetic number, because the mean of its divisors is an integer number (27854202).

Almost surely, 2^55708403 is an apocalyptic number.

55708403 is a deficient number, since it is larger than the sum of its proper divisors (1).

55708403 is an equidigital number, since it uses as much as digits as its factorization.

55708403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 55708403 is about 7463.8062005923. The cubic root of 55708403 is about 381.9210270488.

The spelling of 55708403 in words is "fifty-five million, seven hundred eight thousand, four hundred three".