54054989 has 4 divisors (see below), whose sum is σ = 54205920. Its totient is φ = 53904060.

The previous prime is 54054983. The next prime is 54055003. The reversal of 54054989 is 98945045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98945045 = 5 ⋅19789009.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54054989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54054983) 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, 74927 + ... + 75644.

It is an arithmetic number, because the mean of its divisors is an integer number (13551480).

Almost surely, 2^54054989 is an apocalyptic number.

It is an amenable number.

54054989 is a deficient number, since it is larger than the sum of its proper divisors (150931).

54054989 is a wasteful number, since it uses less digits than its factorization.

54054989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150930.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 54054989 is about 7352.2098038617. The cubic root of 54054989 is about 378.1045710703.

The spelling of 54054989 in words is "fifty-four million, fifty-four thousand, nine hundred eighty-nine".