54688459 has 6 divisors (see below), whose sum is σ = 63617244. Its totient is φ = 46875780.

The previous prime is 54688423. The next prime is 54688463. The reversal of 54688459 is 95488645.

It is not a de Polignac number, because 54688459 - 2¹³ = 54680267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 1116091 = 54688459 / (5 + 4 + 6 + 8 + 8 + 4 + 5 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54688409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557997 + ... + 558094.

It is an arithmetic number, because the mean of its divisors is an integer number (10602874).

Almost surely, 2^54688459 is an apocalyptic number.

54688459 is a deficient number, since it is larger than the sum of its proper divisors (8928785).

54688459 is a wasteful number, since it uses less digits than its factorization.

54688459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116105 (or 1116098 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 49.

The square root of 54688459 is about 7395.1645688247. The cubic root of 54688459 is about 379.5758402058.

The spelling of 54688459 in words is "fifty-four million, six hundred eighty-eight thousand, four hundred fifty-nine".