54783120 has 80 divisors (see below), whose sum is σ = 194094720. Its totient is φ = 12521472.

The previous prime is 54783077. The next prime is 54783143. The reversal of 54783120 is 2138745.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14625 + ... + 17984.

It is an arithmetic number, because the mean of its divisors is an integer number (2426184).

Almost surely, 2^54783120 is an apocalyptic number.

It is an amenable number.

54783120 is an abundant number, since it is smaller than the sum of its proper divisors (139311600).

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

54783120 is a wasteful number, since it uses less digits than its factorization.

54783120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32632 (or 32626 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 54783120 is about 7401.5619973084. The cubic root of 54783120 is about 379.7947183019.

The spelling of 54783120 in words is "fifty-four million, seven hundred eighty-three thousand, one hundred twenty".