53018968 has 32 divisors (see below), whose sum is σ = 105390000. Its totient is φ = 24935040.

The previous prime is 53018963. The next prime is 53019053. The reversal of 53018968 is 86981035.

It is a happy number.

It is a super-2 number, since 2×53018968² = 5622021935570048, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53018968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53018963) 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, 21478 + ... + 23818.

Almost surely, 2^53018968 is an apocalyptic number.

It is an amenable number.

53018968 is a deficient number, since it is larger than the sum of its proper divisors (52371032).

53018968 is a wasteful number, since it uses less digits than its factorization.

53018968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515 (or 2511 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 53018968 is about 7281.4125003326. The cubic root of 53018968 is about 375.6733809128.

The spelling of 53018968 in words is "fifty-three million, eighteen thousand, nine hundred sixty-eight".