55294559 has 4 divisors (see below), whose sum is σ = 55864704. Its totient is φ = 54724416.

The previous prime is 55294537. The next prime is 55294567. The reversal of 55294559 is 95549255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95549255 = 5 ⋅19109851.

It is a cyclic number.

It is not a de Polignac number, because 55294559 - 2¹⁶ = 55229023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52294559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284927 + ... + 285120.

It is an arithmetic number, because the mean of its divisors is an integer number (13966176).

Almost surely, 2^55294559 is an apocalyptic number.

55294559 is a deficient number, since it is larger than the sum of its proper divisors (570145).

55294559 is an equidigital number, since it uses as much as digits as its factorization.

55294559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570144.

The product of its digits is 405000, while the sum is 44.

The square root of 55294559 is about 7436.0311322640. The cubic root of 55294559 is about 380.9729430615.

The spelling of 55294559 in words is "fifty-five million, two hundred ninety-four thousand, five hundred fifty-nine".