54819889 has 8 divisors (see below), whose sum is σ = 56891520. Its totient is φ = 52760400.

The previous prime is 54819857. The next prime is 54819893. The reversal of 54819889 is 98891845.

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

It is a cyclic number.

It is not a de Polignac number, because 54819889 - 2⁵ = 54819857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54819839) 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, 6744 + ... + 12454.

It is an arithmetic number, because the mean of its divisors is an integer number (7111440).

Almost surely, 2^54819889 is an apocalyptic number.

It is an amenable number.

54819889 is a deficient number, since it is larger than the sum of its proper divisors (2071631).

54819889 is a wasteful number, since it uses less digits than its factorization.

54819889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071.

The product of its digits is 829440, while the sum is 52.

The square root of 54819889 is about 7404.0454482668. The cubic root of 54819889 is about 379.8796687326.

The spelling of 54819889 in words is "fifty-four million, eight hundred nineteen thousand, eight hundred eighty-nine".