53031003 has 4 divisors (see below), whose sum is σ = 70708008. Its totient is φ = 35354000.

The previous prime is 53030981. The next prime is 53031023. The reversal of 53031003 is 30013035.

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 53031003 - 2¹³ = 53022811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53031023) 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, 8838498 + ... + 8838503.

It is an arithmetic number, because the mean of its divisors is an integer number (17677002).

Almost surely, 2^53031003 is an apocalyptic number.

53031003 is a deficient number, since it is larger than the sum of its proper divisors (17677005).

53031003 is a wasteful number, since it uses less digits than its factorization.

53031003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17677004.

The product of its (nonzero) digits is 135, while the sum is 15.

The square root of 53031003 is about 7282.2388727643. The cubic root of 53031003 is about 375.7018039926.

Adding to 53031003 its reverse (30013035), we get a palindrome (83044038).

The spelling of 53031003 in words is "fifty-three million, thirty-one thousand, three".