52403310 has 48 divisors (see below), whose sum is σ = 137595744. Its totient is φ = 13836096.

The previous prime is 52403297. The next prime is 52403321. The reversal of 52403310 is 1330425.

It is a super-2 number, since 2×52403310² = 5492213797912200, which contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6444 + ... + 12096.

It is an arithmetic number, because the mean of its divisors is an integer number (2866578).

Almost surely, 2^52403310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52403310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68797872).

52403310 is an abundant number, since it is smaller than the sum of its proper divisors (85192434).

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

52403310 is a wasteful number, since it uses less digits than its factorization.

52403310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5769 (or 5766 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 52403310 is about 7239.0130542775. The cubic root of 52403310 is about 374.2136053754.

Adding to 52403310 its reverse (1330425), we get a palindrome (53733735).

The spelling of 52403310 in words is "fifty-two million, four hundred three thousand, three hundred ten".