53123310 has 64 divisors (see below), whose sum is σ = 142709760. Its totient is φ = 14061600.

The previous prime is 53123309. The next prime is 53123327. The reversal of 53123310 is 1332135.

It is a super-2 number, since 2×53123310² = 5644172130712200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40119 + ... + 41421.

It is an arithmetic number, because the mean of its divisors is an integer number (2229840).

Almost surely, 2^53123310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53123310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71354880).

53123310 is an abundant number, since it is smaller than the sum of its proper divisors (89586450).

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

53123310 is a wasteful number, since it uses less digits than its factorization.

53123310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 53123310 is about 7288.5739345910. The cubic root of 53123310 is about 375.9196627441.

Adding to 53123310 its reverse (1332135), we get a palindrome (54455445).

The spelling of 53123310 in words is "fifty-three million, one hundred twenty-three thousand, three hundred ten".