53783880 has 32 divisors (see below), whose sum is σ = 161352000. Its totient is φ = 14342336.

The previous prime is 53783879. The next prime is 53783887. The reversal of 53783880 is 8838735.

It is not an unprimeable number, because it can be changed into a prime (53783887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223980 + ... + 224219.

It is an arithmetic number, because the mean of its divisors is an integer number (5042250).

Almost surely, 2^53783880 is an apocalyptic number.

It is an amenable number.

53783880 is an abundant number, since it is smaller than the sum of its proper divisors (107568120).

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

53783880 is a wasteful number, since it uses less digits than its factorization.

53783880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448213 (or 448209 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 53783880 is about 7333.7493821374. The cubic root of 53783880 is about 377.4713923616.

The spelling of 53783880 in words is "fifty-three million, seven hundred eighty-three thousand, eight hundred eighty".