52542302430 has 32 divisors (see below), whose sum is σ = 129034122624. Its totient is φ = 13685436576.

The previous prime is 52542302401. The next prime is 52542302431. The reversal of 52542302430 is 3420324525.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52542302431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20363944 + ... + 20366523.

It is an arithmetic number, because the mean of its divisors is an integer number (4032316332).

Almost surely, 2^52542302430 is an apocalyptic number.

52542302430 is an abundant number, since it is smaller than the sum of its proper divisors (76491820194).

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

52542302430 is a wasteful number, since it uses less digits than its factorization.

52542302430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40730520.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 52542302430 its reverse (3420324525), we get a palindrome (55962626955).

The spelling of 52542302430 in words is "fifty-two billion, five hundred forty-two million, three hundred two thousand, four hundred thirty".