54821159 has 8 divisors (see below), whose sum is σ = 56093472. Its totient is φ = 53562880.

The previous prime is 54821147. The next prime is 54821171. The reversal of 54821159 is 95112845.

It is an interprime number because it is at equal distance from previous prime (54821147) and next prime (54821171).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54821159 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 (54821189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4607 + ... + 11439.

It is an arithmetic number, because the mean of its divisors is an integer number (7011684).

Almost surely, 2^54821159 is an apocalyptic number.

54821159 is a deficient number, since it is larger than the sum of its proper divisors (1272313).

54821159 is a wasteful number, since it uses less digits than its factorization.

54821159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7017.

The product of its digits is 14400, while the sum is 35.

The square root of 54821159 is about 7404.1312116953. The cubic root of 54821159 is about 379.8826022389.

The spelling of 54821159 in words is "fifty-four million, eight hundred twenty-one thousand, one hundred fifty-nine".