53145103 has 4 divisors (see below), whose sum is σ = 57976488. Its totient is φ = 48313720.

The previous prime is 53145101. The next prime is 53145107. The reversal of 53145103 is 30154135.

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 53145103 - 2¹ = 53145101 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 (53145101) 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, 2415676 + ... + 2415697.

It is an arithmetic number, because the mean of its divisors is an integer number (14494122).

Almost surely, 2^53145103 is an apocalyptic number.

53145103 is a deficient number, since it is larger than the sum of its proper divisors (4831385).

53145103 is a wasteful number, since it uses less digits than its factorization.

53145103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831384.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 53145103 is about 7290.0687925424. The cubic root of 53145103 is about 375.9710607537.

Adding to 53145103 its reverse (30154135), we get a palindrome (83299238).

The spelling of 53145103 in words is "fifty-three million, one hundred forty-five thousand, one hundred three".