53497768 has 16 divisors (see below), whose sum is σ = 105588000. Its totient is φ = 25340976.

The previous prime is 53497757. The next prime is 53497777. The reversal of 53497768 is 86779435.

It is a happy number.

It is a super-3 number, since 3×53497768³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175828 + ... + 176131.

It is an arithmetic number, because the mean of its divisors is an integer number (6599250).

Almost surely, 2^53497768 is an apocalyptic number.

It is an amenable number.

53497768 is a deficient number, since it is larger than the sum of its proper divisors (52090232).

53497768 is a wasteful number, since it uses less digits than its factorization.

53497768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351984 (or 351980 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 53497768 is about 7314.2168411936. The cubic root of 53497768 is about 376.8008620268.

The spelling of 53497768 in words is "fifty-three million, four hundred ninety-seven thousand, seven hundred sixty-eight".