53777312 has 48 divisors (see below), whose sum is σ = 114089472. Its totient is φ = 24879360.

The previous prime is 53777309. The next prime is 53777323. The reversal of 53777312 is 21377735.

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, 21638 + ... + 23994.

It is an arithmetic number, because the mean of its divisors is an integer number (2376864).

Almost surely, 2^53777312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53777312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57044736).

53777312 is an abundant number, since it is smaller than the sum of its proper divisors (60312160).

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

53777312 is a wasteful number, since it uses less digits than its factorization.

53777312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421 (or 2413 counting only the distinct ones).

The product of its digits is 30870, while the sum is 35.

The square root of 53777312 is about 7333.3015756888. The cubic root of 53777312 is about 377.4560263385.

The spelling of 53777312 in words is "fifty-three million, seven hundred seventy-seven thousand, three hundred twelve".