54781600 has 36 divisors (see below), whose sum is σ = 133737534. Its totient is φ = 21912320.

The previous prime is 54781583. The next prime is 54781621. The reversal of 54781600 is 618745.

It can be written as a sum of positive squares in 3 ways, for example, as 45319824 + 9461776 = 6732^2 + 3076^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33439 + ... + 35038.

Almost surely, 2^54781600 is an apocalyptic number.

54781600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54781600 is an abundant number, since it is smaller than the sum of its proper divisors (78955934).

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

54781600 is a wasteful number, since it uses less digits than its factorization.

54781600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68497 (or 68484 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 54781600 is about 7401.4593155674. The cubic root of 54781600 is about 379.7912057035.

The spelling of 54781600 in words is "fifty-four million, seven hundred eighty-one thousand, six hundred".