52142230 has 64 divisors (see below), whose sum is σ = 116328960. Its totient is φ = 16418304.

The previous prime is 52142197. The next prime is 52142239. The reversal of 52142230 is 3224125.

It is a junction number, because it is equal to n+sod(n) for n = 52142198 and 52142207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52142239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50661 + ... + 51679.

It is an arithmetic number, because the mean of its divisors is an integer number (1817640).

Almost surely, 2^52142230 is an apocalyptic number.

52142230 is an abundant number, since it is smaller than the sum of its proper divisors (64186730).

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

52142230 is a wasteful number, since it uses less digits than its factorization.

52142230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 52142230 is about 7220.9576927164. The cubic root of 52142230 is about 373.5911104130.

Adding to 52142230 its reverse (3224125), we get a palindrome (55366355).

The spelling of 52142230 in words is "fifty-two million, one hundred forty-two thousand, two hundred thirty".