53781304 has 32 divisors (see below), whose sum is σ = 104544000. Its totient is φ = 25919712.

The previous prime is 53781289. The next prime is 53781307. The reversal of 53781304 is 40318735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53781307) 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, 26187 + ... + 28165.

It is an arithmetic number, because the mean of its divisors is an integer number (3267000).

Almost surely, 2^53781304 is an apocalyptic number.

It is an amenable number.

53781304 is a deficient number, since it is larger than the sum of its proper divisors (50762696).

53781304 is a wasteful number, since it uses less digits than its factorization.

53781304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107 (or 2103 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 53781304 is about 7333.5737536347. The cubic root of 53781304 is about 377.4653658853.

The spelling of 53781304 in words is "fifty-three million, seven hundred eighty-one thousand, three hundred four".