100000053 has 6 divisors (see below), whose sum is σ = 144444534. Its totient is φ = 66666696.

The previous prime is 100000049. The next prime is 100000073. The reversal of 100000053 is 350000001.

It can be written as a sum of positive squares in only one way, i.e., 99560484 + 439569 = 9978^2 + 663^2 .

It is not a de Polignac number, because 100000053 - 2² = 100000049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 11111117 = 100000053 / (1 + 0 + 0 + 0 + 0 + 0 + 0 + 5 + 3).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99999990 and 100000044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5555550 + ... + 5555567.

It is an arithmetic number, because the mean of its divisors is an integer number (24074089).

Almost surely, 2^100000053 is an apocalyptic number.

It is an amenable number.

100000053 is a deficient number, since it is larger than the sum of its proper divisors (44444481).

100000053 is a wasteful number, since it uses less digits than its factorization.

100000053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111123 (or 11111120 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 9.

The square root of 100000053 is about 10000.0026499996. The cubic root of 100000053 is about 464.1589653627.

Adding to 100000053 its reverse (350000001), we get a palindrome (450000054).

The spelling of 100000053 in words is "one hundred million, fifty-three", and thus it is an aban number.