52401111 has 8 divisors (see below), whose sum is σ = 79849344. Its totient is φ = 29943480.

The previous prime is 52401103. The next prime is 52401113. The reversal of 52401111 is 11110425.

It is a happy number.

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

It is not a de Polignac number, because 52401111 - 2³ = 52401103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52401113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1247625 + ... + 1247666.

It is an arithmetic number, because the mean of its divisors is an integer number (9981168).

Almost surely, 2^52401111 is an apocalyptic number.

52401111 is a deficient number, since it is larger than the sum of its proper divisors (27448233).

52401111 is a wasteful number, since it uses less digits than its factorization.

52401111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495301.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 52401111 is about 7238.8611673384. The cubic root of 52401111 is about 374.2083709272.

Adding to 52401111 its reverse (11110425), we get a palindrome (63511536).

The spelling of 52401111 in words is "fifty-two million, four hundred one thousand, one hundred eleven".