54821433 has 8 divisors (see below), whose sum is σ = 73183968. Its totient is φ = 36503264.

The previous prime is 54821407. The next prime is 54821449. The reversal of 54821433 is 33412845.

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-54821433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54821433.

It is not an unprimeable number, because it can be changed into a prime (54821453) 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, 8091 + ... + 13232.

It is an arithmetic number, because the mean of its divisors is an integer number (9147996).

Almost surely, 2^54821433 is an apocalyptic number.

It is an amenable number.

54821433 is a deficient number, since it is larger than the sum of its proper divisors (18362535).

54821433 is a wasteful number, since it uses less digits than its factorization.

54821433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22183.

The product of its digits is 11520, while the sum is 30.

The square root of 54821433 is about 7404.1497148559. The cubic root of 54821433 is about 379.8832351311.

The spelling of 54821433 in words is "fifty-four million, eight hundred twenty-one thousand, four hundred thirty-three".