53002663 has 6 divisors (see below), whose sum is σ = 61656216. Its totient is φ = 45430812.

The previous prime is 53002657. The next prime is 53002669. The reversal of 53002663 is 36620035.

It is an interprime number because it is at equal distance from previous prime (53002657) and next prime (53002669).

It is a de Polignac number, because none of the positive numbers 2^k-53002663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53002669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 540795 + ... + 540892.

It is an arithmetic number, because the mean of its divisors is an integer number (10276036).

Almost surely, 2^53002663 is an apocalyptic number.

53002663 is a deficient number, since it is larger than the sum of its proper divisors (8653553).

53002663 is a wasteful number, since it uses less digits than its factorization.

53002663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081701 (or 1081694 counting only the distinct ones).

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

The square root of 53002663 is about 7280.2927825741. The cubic root of 53002663 is about 375.6348665048.

Adding to 53002663 its reverse (36620035), we get a palindrome (89622698).

The spelling of 53002663 in words is "fifty-three million, two thousand, six hundred sixty-three".