53149268 has 6 divisors (see below), whose sum is σ = 93011226. Its totient is φ = 26574632.

The previous prime is 53149267. The next prime is 53149273. The reversal of 53149268 is 86294135.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35188624 + 17960644 = 5932^2 + 4238^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53149267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6643655 + ... + 6643662.

It is an arithmetic number, because the mean of its divisors is an integer number (15501871).

Almost surely, 2^53149268 is an apocalyptic number.

It is an amenable number.

53149268 is a deficient number, since it is larger than the sum of its proper divisors (39861958).

53149268 is a wasteful number, since it uses less digits than its factorization.

53149268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13287321 (or 13287319 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 53149268 is about 7290.3544495450. The cubic root of 53149268 is about 375.9808821576.

The spelling of 53149268 in words is "fifty-three million, one hundred forty-nine thousand, two hundred sixty-eight".