53778412 has 24 divisors (see below), whose sum is σ = 103088160. Its totient is φ = 24433920.

The previous prime is 53778409. The next prime is 53778419. The reversal of 53778412 is 21487735.

It is not an unprimeable number, because it can be changed into a prime (53778419) 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, 11664 + ... + 15607.

It is an arithmetic number, because the mean of its divisors is an integer number (4295340).

Almost surely, 2^53778412 is an apocalyptic number.

It is an amenable number.

53778412 is a deficient number, since it is larger than the sum of its proper divisors (49309748).

53778412 is a wasteful number, since it uses less digits than its factorization.

53778412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27321 (or 27319 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 53778412 is about 7333.3765756301. The cubic root of 53778412 is about 377.4585999070.

The spelling of 53778412 in words is "fifty-three million, seven hundred seventy-eight thousand, four hundred twelve".