55075459 has 2 divisors, whose sum is σ = 55075460. Its totient is φ = 55075458.

The previous prime is 55075457. The next prime is 55075469. The reversal of 55075459 is 95457055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55075459 - 2¹ = 55075457 is a prime.

Together with 55075457, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55075451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27537729 + 27537730.

It is an arithmetic number, because the mean of its divisors is an integer number (27537730).

Almost surely, 2^55075459 is an apocalyptic number.

55075459 is a deficient number, since it is larger than the sum of its proper divisors (1).

55075459 is an equidigital number, since it uses as much as digits as its factorization.

55075459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157500, while the sum is 40.

The square root of 55075459 is about 7421.2841880634. The cubic root of 55075459 is about 380.4690859863.

The spelling of 55075459 in words is "fifty-five million, seventy-five thousand, four hundred fifty-nine".