53020332 has 30 divisors (see below), whose sum is σ = 138606468. Its totient is φ = 17673336.

The previous prime is 53020307. The next prime is 53020361. The reversal of 53020332 is 23302035.

It is a super-2 number, since 2×53020332² = 5622311210780448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 81498 + ... + 82145.

Almost surely, 2^53020332 is an apocalyptic number.

It is an amenable number.

53020332 is an abundant number, since it is smaller than the sum of its proper divisors (85586136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53020332 is a wasteful number, since it uses less digits than its factorization.

53020332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163659 (or 163648 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 53020332 is about 7281.5061628759. The cubic root of 53020332 is about 375.6766024900.

Adding to 53020332 its reverse (23302035), we get a palindrome (76322367).

It can be divided in two parts, 5302033 and 2, that added together give a palindrome (5302035).

The spelling of 53020332 in words is "fifty-three million, twenty thousand, three hundred thirty-two".