53388772 has 12 divisors (see below), whose sum is σ = 98926380. Its totient is φ = 25124096.

The previous prime is 53388761. The next prime is 53388787. The reversal of 53388772 is 27788335.

It can be written as a sum of positive squares in 2 ways, for example, as 25341156 + 28047616 = 5034^2 + 5296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392497 + ... + 392632.

It is an arithmetic number, because the mean of its divisors is an integer number (8243865).

Almost surely, 2^53388772 is an apocalyptic number.

It is an amenable number.

53388772 is a deficient number, since it is larger than the sum of its proper divisors (45537608).

53388772 is a wasteful number, since it uses less digits than its factorization.

53388772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785150 (or 785148 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 53388772 is about 7306.7620735864. The cubic root of 53388772 is about 376.5447908443.

The spelling of 53388772 in words is "fifty-three million, three hundred eighty-eight thousand, seven hundred seventy-two".