53403361 has 8 divisors (see below), whose sum is σ = 59679648. Its totient is φ = 47364000.

The previous prime is 53403331. The next prime is 53403391. The reversal of 53403361 is 16330435.

It is an interprime number because it is at equal distance from previous prime (53403331) and next prime (53403391).

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 53403361 - 2¹³ = 53395169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53403331) 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, 58755 + ... + 59656.

It is an arithmetic number, because the mean of its divisors is an integer number (7459956).

Almost surely, 2^53403361 is an apocalyptic number.

It is an amenable number.

53403361 is a deficient number, since it is larger than the sum of its proper divisors (6276287).

53403361 is a wasteful number, since it uses less digits than its factorization.

53403361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118463.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 53403361 is about 7307.7603272138. The cubic root of 53403361 is about 376.5790858933.

Adding to 53403361 its reverse (16330435), we get a palindrome (69733796).

The spelling of 53403361 in words is "fifty-three million, four hundred three thousand, three hundred sixty-one".