53525111 has 4 divisors (see below), whose sum is σ = 53569824. Its totient is φ = 53480400.

The previous prime is 53525099. The next prime is 53525119. The reversal of 53525111 is 11152535.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 53525111 - 2¹⁰ = 53524087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53525119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20510 + ... + 22971.

It is an arithmetic number, because the mean of its divisors is an integer number (13392456).

Almost surely, 2^53525111 is an apocalyptic number.

53525111 is a deficient number, since it is larger than the sum of its proper divisors (44713).

53525111 is a wasteful number, since it uses less digits than its factorization.

53525111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44712.

The product of its digits is 750, while the sum is 23.

The square root of 53525111 is about 7316.0857704103. The cubic root of 53525111 is about 376.8650460827.

Adding to 53525111 its reverse (11152535), we get a palindrome (64677646).

The spelling of 53525111 in words is "fifty-three million, five hundred twenty-five thousand, one hundred eleven".