53683784 has 32 divisors (see below), whose sum is σ = 125496000. Its totient is φ = 20915520.

The previous prime is 53683769. The next prime is 53683793. The reversal of 53683784 is 48738635.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42959 + ... + 44190.

It is an arithmetic number, because the mean of its divisors is an integer number (3921750).

Almost surely, 2^53683784 is an apocalyptic number.

It is an amenable number.

53683784 is an abundant number, since it is smaller than the sum of its proper divisors (71812216).

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

53683784 is a wasteful number, since it uses less digits than its factorization.

53683784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87173 (or 87169 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 53683784 is about 7326.9218639208. The cubic root of 53683784 is about 377.2370790319.

The spelling of 53683784 in words is "fifty-three million, six hundred eighty-three thousand, seven hundred eighty-four".