55707499 has 2 divisors, whose sum is σ = 55707500. Its totient is φ = 55707498.

The previous prime is 55707497. The next prime is 55707511. The reversal of 55707499 is 99470755.

It is a happy number.

55707499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55707499 - 2¹ = 55707497 is a prime.

Together with 55707497, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55707493) 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, 27853749 + 27853750.

It is an arithmetic number, because the mean of its divisors is an integer number (27853750).

Almost surely, 2^55707499 is an apocalyptic number.

55707499 is a deficient number, since it is larger than the sum of its proper divisors (1).

55707499 is an equidigital number, since it uses as much as digits as its factorization.

55707499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 396900, while the sum is 46.

The square root of 55707499 is about 7463.7456414323. The cubic root of 55707499 is about 381.9189611817.

The spelling of 55707499 in words is "fifty-five million, seven hundred seven thousand, four hundred ninety-nine".