54553559 has 4 divisors (see below), whose sum is σ = 54609600. Its totient is φ = 54497520.

The previous prime is 54553547. The next prime is 54553571. The reversal of 54553559 is 95535545.

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

It is an interprime number because it is at equal distance from previous prime (54553547) and next prime (54553571).

It is a cyclic number.

It is not a de Polignac number, because 54553559 - 2¹² = 54549463 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 (54553859) 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, 26534 + ... + 28515.

It is an arithmetic number, because the mean of its divisors is an integer number (13652400).

Almost surely, 2^54553559 is an apocalyptic number.

54553559 is a deficient number, since it is larger than the sum of its proper divisors (56041).

54553559 is an equidigital number, since it uses as much as digits as its factorization.

54553559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56040.

The product of its digits is 337500, while the sum is 41.

The square root of 54553559 is about 7386.0381125472. The cubic root of 54553559 is about 379.2634833768.

The spelling of 54553559 in words is "fifty-four million, five hundred fifty-three thousand, five hundred fifty-nine".