54783780 has 24 divisors (see below), whose sum is σ = 153394752. Its totient is φ = 14608992.

The previous prime is 54783779. The next prime is 54783793. The reversal of 54783780 is 8738745.

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, 456472 + ... + 456591.

It is an arithmetic number, because the mean of its divisors is an integer number (6391448).

Almost surely, 2^54783780 is an apocalyptic number.

It is an amenable number.

54783780 is an abundant number, since it is smaller than the sum of its proper divisors (98610972).

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

54783780 is a wasteful number, since it uses less digits than its factorization.

54783780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913075 (or 913073 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 54783780 is about 7401.6065823576. The cubic root of 54783780 is about 379.7962434889.

The spelling of 54783780 in words is "fifty-four million, seven hundred eighty-three thousand, seven hundred eighty".