53038330 has 16 divisors (see below), whose sum is σ = 95967144. Its totient is φ = 21104640.

The previous prime is 53038327. The next prime is 53038331. The reversal of 53038330 is 3383035.

It can be written as a sum of positive squares in 4 ways, for example, as 48316401 + 4721929 = 6951^2 + 2173^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53038295 and 53038304.

It is not an unprimeable number, because it can be changed into a prime (53038331) 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, 11811 + ... + 15670.

Almost surely, 2^53038330 is an apocalyptic number.

53038330 is a deficient number, since it is larger than the sum of its proper divisors (42928814).

53038330 is a wasteful number, since it uses less digits than its factorization.

53038330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27681.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 53038330 is about 7282.7419286969. The cubic root of 53038330 is about 375.7191060750.

The spelling of 53038330 in words is "fifty-three million, thirty-eight thousand, three hundred thirty".