53310447 has 16 divisors (see below), whose sum is σ = 83136000. Its totient is φ = 33669432.

The previous prime is 53310427. The next prime is 53310463. The reversal of 53310447 is 74401335.

It is not a de Polignac number, because 53310447 - 2¹⁶ = 53244911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 53310447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53310427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51447 + ... + 52472.

It is an arithmetic number, because the mean of its divisors is an integer number (5196000).

Almost surely, 2^53310447 is an apocalyptic number.

53310447 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

53310447 is a deficient number, since it is larger than the sum of its proper divisors (29825553).

53310447 is a wasteful number, since it uses less digits than its factorization.

53310447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103947 (or 103941 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 53310447 is about 7301.4003451393. The cubic root of 53310447 is about 376.3605616884.

The spelling of 53310447 in words is "fifty-three million, three hundred ten thousand, four hundred forty-seven".