54072489 has 8 divisors (see below), whose sum is σ = 72151552. Its totient is φ = 36020880.

The previous prime is 54072467. The next prime is 54072509. The reversal of 54072489 is 98427045.

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

It is not a de Polignac number, because 54072489 - 2¹² = 54068393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54072439) 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, 1714 + ... + 10539.

It is an arithmetic number, because the mean of its divisors is an integer number (9018944).

Almost surely, 2^54072489 is an apocalyptic number.

It is an amenable number.

54072489 is a deficient number, since it is larger than the sum of its proper divisors (18079063).

54072489 is a wasteful number, since it uses less digits than its factorization.

54072489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13727.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 54072489 is about 7353.3998259309. The cubic root of 54072489 is about 378.1453697471.

The spelling of 54072489 in words is "fifty-four million, seventy-two thousand, four hundred eighty-nine".