55364563 has 4 divisors (see below), whose sum is σ = 58621320. Its totient is φ = 52107808.

The previous prime is 55364557. The next prime is 55364581. The reversal of 55364563 is 36546355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55364563 - 2⁹ = 55364051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55364513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628353 + ... + 1628386.

It is an arithmetic number, because the mean of its divisors is an integer number (14655330).

Almost surely, 2^55364563 is an apocalyptic number.

55364563 is a deficient number, since it is larger than the sum of its proper divisors (3256757).

55364563 is a wasteful number, since it uses less digits than its factorization.

55364563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256756.

The product of its digits is 162000, while the sum is 37.

The square root of 55364563 is about 7440.7367242767. The cubic root of 55364563 is about 381.1336483433.

The spelling of 55364563 in words is "fifty-five million, three hundred sixty-four thousand, five hundred sixty-three".