54687408 has 20 divisors (see below), whose sum is σ = 141275928. Its totient is φ = 18229120.

The previous prime is 54687407. The next prime is 54687427. The reversal of 54687408 is 80478645.

It is a self number, because there is not a number n which added to its sum of digits gives 54687408.

It is not an unprimeable number, because it can be changed into a prime (54687403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569613 + ... + 569708.

Almost surely, 2^54687408 is an apocalyptic number.

It is an amenable number.

54687408 is an abundant number, since it is smaller than the sum of its proper divisors (86588520).

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

54687408 is a wasteful number, since it uses less digits than its factorization.

54687408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139332 (or 1139326 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 54687408 is about 7395.0935085366. The cubic root of 54687408 is about 379.5734086339.

The spelling of 54687408 in words is "fifty-four million, six hundred eighty-seven thousand, four hundred eight".