53998763 has 24 divisors (see below), whose sum is σ = 68313504. Its totient is φ = 41564160.

The previous prime is 53998753. The next prime is 53998771. The reversal of 53998763 is 36789935.

It is not a de Polignac number, because 53998763 - 2¹⁸ = 53736619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53998753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152795 + ... + 153147.

It is an arithmetic number, because the mean of its divisors is an integer number (2846396).

Almost surely, 2^53998763 is an apocalyptic number.

53998763 is a deficient number, since it is larger than the sum of its proper divisors (14314741).

53998763 is a wasteful number, since it uses less digits than its factorization.

53998763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 414 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 50.

The square root of 53998763 is about 7348.3850606783. The cubic root of 53998763 is about 377.9734287939.

The spelling of 53998763 in words is "fifty-three million, nine hundred ninety-eight thousand, seven hundred sixty-three".