53302403 has 8 divisors (see below), whose sum is σ = 66455040. Its totient is φ = 41534280.

The previous prime is 53302399. The next prime is 53302409. The reversal of 53302403 is 30420335.

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 53302403 - 2² = 53302399 is a prime.

It is a super-2 number, since 2×53302403² = 5682292331148818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53302409) 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, 346043 + ... + 346196.

It is an arithmetic number, because the mean of its divisors is an integer number (8306880).

Almost surely, 2^53302403 is an apocalyptic number.

53302403 is a deficient number, since it is larger than the sum of its proper divisors (13152637).

53302403 is a wasteful number, since it uses less digits than its factorization.

53302403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692257.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 53302403 is about 7300.8494711232. The cubic root of 53302403 is about 376.3416310859.

Adding to 53302403 its reverse (30420335), we get a palindrome (83722738).

The spelling of 53302403 in words is "fifty-three million, three hundred two thousand, four hundred three".