52503142 has 4 divisors (see below), whose sum is σ = 78754716. Its totient is φ = 26251570.

The previous prime is 52503109. The next prime is 52503149. The reversal of 52503142 is 24130525.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52503149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13125784 + ... + 13125787.

It is an arithmetic number, because the mean of its divisors is an integer number (19688679).

Almost surely, 2^52503142 is an apocalyptic number.

52503142 is a deficient number, since it is larger than the sum of its proper divisors (26251574).

52503142 is a wasteful number, since it uses less digits than its factorization.

52503142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26251573.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 52503142 is about 7245.9051884495. The cubic root of 52503142 is about 374.4510890649.

Adding to 52503142 its reverse (24130525), we get a palindrome (76633667).

The spelling of 52503142 in words is "fifty-two million, five hundred three thousand, one hundred forty-two".