54208594578 has 16 divisors (see below), whose sum is σ = 112155713280. Its totient is φ = 17446444176.

The previous prime is 54208594511. The next prime is 54208594597. The reversal of 54208594578 is 87549580245.

It is a super-2 number, since 2×54208594578² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155771650 + ... + 155771997.

It is an arithmetic number, because the mean of its divisors is an integer number (7009732080).

Almost surely, 2^54208594578 is an apocalyptic number.

54208594578 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

54208594578 is an abundant number, since it is smaller than the sum of its proper divisors (57947118702).

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

54208594578 is a wasteful number, since it uses less digits than its factorization.

54208594578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311543681.

The product of its (nonzero) digits is 16128000, while the sum is 57.

The spelling of 54208594578 in words is "fifty-four billion, two hundred eight million, five hundred ninety-four thousand, five hundred seventy-eight".