53420068 has 36 divisors (see below), whose sum is σ = 104125980. Its totient is φ = 23837760.

The previous prime is 53420057. The next prime is 53420111. The reversal of 53420068 is 86002435.

It can be written as a sum of positive squares in 2 ways, for example, as 15745024 + 37675044 = 3968^2 + 6138^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49438 + ... + 50506.

Almost surely, 2^53420068 is an apocalyptic number.

It is an amenable number.

53420068 is a deficient number, since it is larger than the sum of its proper divisors (50705912).

53420068 is a wasteful number, since it uses less digits than its factorization.

53420068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 53420068 is about 7308.9033377108. The cubic root of 53420068 is about 376.6183521535.

It can be divided in two parts, 534 and 20068, that added together give a palindrome (20602).

The spelling of 53420068 in words is "fifty-three million, four hundred twenty thousand, sixty-eight".