52140526 has 4 divisors (see below), whose sum is σ = 78210792. Its totient is φ = 26070262.

The previous prime is 52140523. The next prime is 52140533. The reversal of 52140526 is 62504125.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52140526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52140523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13035130 + ... + 13035133.

It is an arithmetic number, because the mean of its divisors is an integer number (19552698).

Almost surely, 2^52140526 is an apocalyptic number.

52140526 is a deficient number, since it is larger than the sum of its proper divisors (26070266).

52140526 is a wasteful number, since it uses less digits than its factorization.

52140526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26070265.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 52140526 is about 7220.8397018629. The cubic root of 52140526 is about 373.5870407355.

The spelling of 52140526 in words is "fifty-two million, one hundred forty thousand, five hundred twenty-six".