61112053 has 4 divisors (see below), whose sum is σ = 61143660. Its totient is φ = 61080448.

The previous prime is 61112047. The next prime is 61112071. The reversal of 61112053 is 35021116.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3017169 + 58094884 = 1737^2 + 7622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61112053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61112053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61112083) 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 3 ways as a sum of consecutive naturals, for example, 12700 + ... + 16837.

It is an arithmetic number, because the mean of its divisors is an integer number (15285915).

Almost surely, 2^61112053 is an apocalyptic number.

It is an amenable number.

61112053 is a deficient number, since it is larger than the sum of its proper divisors (31607).

61112053 is a wasteful number, since it uses less digits than its factorization.

61112053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31606.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 61112053 is about 7817.4198428893. The cubic root of 61112053 is about 393.8906071112.

Adding to 61112053 its reverse (35021116), we get a palindrome (96133169).

The spelling of 61112053 in words is "sixty-one million, one hundred twelve thousand, fifty-three".