53420213503 has 8 divisors (see below), whose sum is σ = 53835116400. Its totient is φ = 53006734848.

The previous prime is 53420213501. The next prime is 53420213507. The reversal of 53420213503 is 30531202435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53420213503 - 2¹ = 53420213501 is a prime.

It is a super-2 number, since 2×53420213503² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53420213501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280693 + ... + 430846.

It is an arithmetic number, because the mean of its divisors is an integer number (6729389550).

Almost surely, 2^53420213503 is an apocalyptic number.

53420213503 is a deficient number, since it is larger than the sum of its proper divisors (414902897).

53420213503 is a wasteful number, since it uses less digits than its factorization.

53420213503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712121.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 53420213503 its reverse (30531202435), we get a palindrome (83951415938).

The spelling of 53420213503 in words is "fifty-three billion, four hundred twenty million, two hundred thirteen thousand, five hundred three".