52307430 has 64 divisors (see below), whose sum is σ = 145248768. Its totient is φ = 11808000.

The previous prime is 52307429. The next prime is 52307441. The reversal of 52307430 is 3470325.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 52307430.

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, 15930 + ... + 18930.

It is an arithmetic number, because the mean of its divisors is an integer number (2269512).

Almost surely, 2^52307430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52307430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72624384).

52307430 is an abundant number, since it is smaller than the sum of its proper divisors (92941338).

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

52307430 is a wasteful number, since it uses less digits than its factorization.

52307430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 52307430 is about 7232.3875725793. The cubic root of 52307430 is about 373.9852387246.

Adding to 52307430 its reverse (3470325), we get a palindrome (55777755).

The spelling of 52307430 in words is "fifty-two million, three hundred seven thousand, four hundred thirty".