52145542 has 8 divisors (see below), whose sum is σ = 78249600. Its totient is φ = 26062344.

The previous prime is 52145537. The next prime is 52145573. The reversal of 52145542 is 24554125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 52145542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5184 + ... + 11452.

It is an arithmetic number, because the mean of its divisors is an integer number (9781200).

Almost surely, 2^52145542 is an apocalyptic number.

52145542 is a deficient number, since it is larger than the sum of its proper divisors (26104058).

52145542 is a wasteful number, since it uses less digits than its factorization.

52145542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10430.

The product of its digits is 8000, while the sum is 28.

The square root of 52145542 is about 7221.1870215360. The cubic root of 52145542 is about 373.5990202369.

Adding to 52145542 its reverse (24554125), we get a palindrome (76699667).

The spelling of 52145542 in words is "fifty-two million, one hundred forty-five thousand, five hundred forty-two".