52131042 has 24 divisors (see below), whose sum is σ = 114010416. Its totient is φ = 17213976.

The previous prime is 52131019. The next prime is 52131047. The reversal of 52131042 is 24013125.

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

It is not an unprimeable number, because it can be changed into a prime (52131047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11608 + ... + 15459.

It is an arithmetic number, because the mean of its divisors is an integer number (4750434).

Almost surely, 2^52131042 is an apocalyptic number.

52131042 is an abundant number, since it is smaller than the sum of its proper divisors (61879374).

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

52131042 is a wasteful number, since it uses less digits than its factorization.

52131042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27182 (or 27179 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 52131042 is about 7220.1829616707. The cubic root of 52131042 is about 373.5643883983.

Adding to 52131042 its reverse (24013125), we get a palindrome (76144167).

The spelling of 52131042 in words is "fifty-two million, one hundred thirty-one thousand, forty-two".