53045428 has 6 divisors (see below), whose sum is σ = 92829506. Its totient is φ = 26522712.

The previous prime is 53045411. The next prime is 53045453. The reversal of 53045428 is 82454035.

It can be written as a sum of positive squares in only one way, i.e., 50296464 + 2748964 = 7092^2 + 1658^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53045428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6630675 + ... + 6630682.

Almost surely, 2^53045428 is an apocalyptic number.

It is an amenable number.

53045428 is a deficient number, since it is larger than the sum of its proper divisors (39784078).

53045428 is a wasteful number, since it uses less digits than its factorization.

53045428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13261361 (or 13261359 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 53045428 is about 7283.2292288517. The cubic root of 53045428 is about 375.7358658741.

The spelling of 53045428 in words is "fifty-three million, forty-five thousand, four hundred twenty-eight".