54137989 has 8 divisors (see below), whose sum is σ = 56101760. Its totient is φ = 52206336.

The previous prime is 54137969. The next prime is 54138001. The reversal of 54137989 is 98973145.

It is a happy number.

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 54137989 - 2⁵ = 54137957 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 (54137959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4572 + ... + 11365.

It is an arithmetic number, because the mean of its divisors is an integer number (7012720).

Almost surely, 2^54137989 is an apocalyptic number.

It is an amenable number.

54137989 is a deficient number, since it is larger than the sum of its proper divisors (1963771).

54137989 is a wasteful number, since it uses less digits than its factorization.

54137989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16059.

The product of its digits is 272160, while the sum is 46.

The square root of 54137989 is about 7357.8522002008. The cubic root of 54137989 is about 378.2979952805.

The spelling of 54137989 in words is "fifty-four million, one hundred thirty-seven thousand, nine hundred eighty-nine".