53300031 has 8 divisors (see below), whose sum is σ = 72231984. Its totient is φ = 34950720.

The previous prime is 53300011. The next prime is 53300047. The reversal of 53300031 is 13000335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53300031 - 2⁷ = 53299903 is a prime.

It is a super-2 number, since 2×53300031² = 5681786609201922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53300011) 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, 145446 + ... + 145811.

It is an arithmetic number, because the mean of its divisors is an integer number (9028998).

Almost surely, 2^53300031 is an apocalyptic number.

53300031 is a deficient number, since it is larger than the sum of its proper divisors (18931953).

53300031 is a wasteful number, since it uses less digits than its factorization.

53300031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291321.

The product of its (nonzero) digits is 135, while the sum is 15.

The square root of 53300031 is about 7300.6870224658. The cubic root of 53300031 is about 376.3360485009.

Adding to 53300031 its reverse (13000335), we get a palindrome (66300366).

The spelling of 53300031 in words is "fifty-three million, three hundred thousand, thirty-one".