53202030 has 32 divisors (see below), whose sum is σ = 145926144. Its totient is φ = 12160416.

The previous prime is 53202029. The next prime is 53202031. The reversal of 53202030 is 3020235.

It is an interprime number because it is at equal distance from previous prime (53202029) and next prime (53202031).

It is a super-2 number, since 2×53202030² = 5660911992241800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53202031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126462 + ... + 126881.

It is an arithmetic number, because the mean of its divisors is an integer number (4560192).

Almost surely, 2^53202030 is an apocalyptic number.

53202030 is an abundant number, since it is smaller than the sum of its proper divisors (92724114).

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

53202030 is a wasteful number, since it uses less digits than its factorization.

53202030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253360.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 53202030 is about 7293.9721688529. The cubic root of 53202030 is about 376.1052547868.

Adding to 53202030 its reverse (3020235), we get a palindrome (56222265).

The spelling of 53202030 in words is "fifty-three million, two hundred two thousand, thirty".