52101542 has 4 divisors (see below), whose sum is σ = 78152316. Its totient is φ = 26050770.

The previous prime is 52101541. The next prime is 52101547. The reversal of 52101542 is 24510125.

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 (52101541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13025384 + ... + 13025387.

It is an arithmetic number, because the mean of its divisors is an integer number (19538079).

Almost surely, 2^52101542 is an apocalyptic number.

52101542 is a deficient number, since it is larger than the sum of its proper divisors (26050774).

52101542 is a wasteful number, since it uses less digits than its factorization.

52101542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26050773.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 52101542 is about 7218.1397880617. The cubic root of 52101542 is about 373.4939106919.

Adding to 52101542 its reverse (24510125), we get a palindrome (76611667).

The spelling of 52101542 in words is "fifty-two million, one hundred one thousand, five hundred forty-two".