53125103 has 4 divisors (see below), whose sum is σ = 54838848. Its totient is φ = 51411360.

The previous prime is 53125099. The next prime is 53125117. The reversal of 53125103 is 30152135.

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 53125103 - 2² = 53125099 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 (53125403) 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, 856826 + ... + 856887.

It is an arithmetic number, because the mean of its divisors is an integer number (13709712).

Almost surely, 2^53125103 is an apocalyptic number.

53125103 is a deficient number, since it is larger than the sum of its proper divisors (1713745).

53125103 is a wasteful number, since it uses less digits than its factorization.

53125103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713744.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 53125103 is about 7288.6969342949. The cubic root of 53125103 is about 375.9238920010.

Adding to 53125103 its reverse (30152135), we get a palindrome (83277238).

The spelling of 53125103 in words is "fifty-three million, one hundred twenty-five thousand, one hundred three".