54688578 has 32 divisors (see below), whose sum is σ = 125245440. Its totient is φ = 15594960.

The previous prime is 54688573. The next prime is 54688597. The reversal of 54688578 is 87588645.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54688578.

It is not an unprimeable number, because it can be changed into a prime (54688573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29293 + ... + 31103.

It is an arithmetic number, because the mean of its divisors is an integer number (3913920).

Almost surely, 2^54688578 is an apocalyptic number.

54688578 is an abundant number, since it is smaller than the sum of its proper divisors (70556862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54688578 is a wasteful number, since it uses less digits than its factorization.

54688578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542.

The product of its digits is 2150400, while the sum is 51.

The square root of 54688578 is about 7395.1726146183. The cubic root of 54688578 is about 379.5761155198.

The spelling of 54688578 in words is "fifty-four million, six hundred eighty-eight thousand, five hundred seventy-eight".