53020432 has 10 divisors (see below), whose sum is σ = 102727118. Its totient is φ = 26510208.

The previous prime is 53020427. The next prime is 53020453. The reversal of 53020432 is 23402035.

It can be written as a sum of positive squares in only one way, i.e., 28259856 + 24760576 = 5316^2 + 4976^2 .

It is a super-2 number, since 2×53020432² = 5622332418933248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656873 + ... + 1656904.

Almost surely, 2^53020432 is an apocalyptic number.

It is an amenable number.

53020432 is a deficient number, since it is larger than the sum of its proper divisors (49706686).

53020432 is a wasteful number, since it uses less digits than its factorization.

53020432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313785 (or 3313779 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 53020432 is about 7281.5130295839. The cubic root of 53020432 is about 375.6768386738.

Adding to 53020432 its reverse (23402035), we get a palindrome (76422467).

The spelling of 53020432 in words is "fifty-three million, twenty thousand, four hundred thirty-two".