54685988 has 24 divisors (see below), whose sum is σ = 110400192. Its totient is φ = 23216544.

The previous prime is 54685949. The next prime is 54686017. The reversal of 54685988 is 88958645.

It is a super-4 number, since 4×54685988⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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, 6131 + ... + 12122.

It is an arithmetic number, because the mean of its divisors is an integer number (4600008).

Almost surely, 2^54685988 is an apocalyptic number.

It is an amenable number.

54685988 is an abundant number, since it is smaller than the sum of its proper divisors (55714204).

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

54685988 is a wasteful number, since it uses less digits than its factorization.

54685988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18371 (or 18369 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 53.

The square root of 54685988 is about 7394.9974983092. The cubic root of 54685988 is about 379.5701233017.

The spelling of 54685988 in words is "fifty-four million, six hundred eighty-five thousand, nine hundred eighty-eight".