52142430 has 64 divisors (see below), whose sum is σ = 129081600. Its totient is φ = 13474560.

The previous prime is 52142413. The next prime is 52142459. The reversal of 52142430 is 3424125.

It is a junction number, because it is equal to n+sod(n) for n = 52142397 and 52142406.

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, 157365 + ... + 157695.

It is an arithmetic number, because the mean of its divisors is an integer number (2016900).

Almost surely, 2^52142430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52142430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64540800).

52142430 is an abundant number, since it is smaller than the sum of its proper divisors (76939170).

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

52142430 is a wasteful number, since it uses less digits than its factorization.

52142430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 52142430 is about 7220.9715412817. The cubic root of 52142430 is about 373.5915880689.

Adding to 52142430 its reverse (3424125), we get a palindrome (55566555).

The spelling of 52142430 in words is "fifty-two million, one hundred forty-two thousand, four hundred thirty".