53559968 has 48 divisors (see below), whose sum is σ = 131471424. Its totient is φ = 20866560.

The previous prime is 53559967. The next prime is 53559973. The reversal of 53559968 is 86995535.

It is a super-2 number, since 2×53559968² = 5737340344322048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53559967) 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, 8405 + ... + 13332.

It is an arithmetic number, because the mean of its divisors is an integer number (2738988).

Almost surely, 2^53559968 is an apocalyptic number.

It is an amenable number.

53559968 is an abundant number, since it is smaller than the sum of its proper divisors (77911456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53559968 is a wasteful number, since it uses less digits than its factorization.

53559968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21765 (or 21757 counting only the distinct ones).

The product of its digits is 1458000, while the sum is 50.

The square root of 53559968 is about 7318.4675991631. The cubic root of 53559968 is about 376.9468365676.

The spelling of 53559968 in words is "fifty-three million, five hundred fifty-nine thousand, nine hundred sixty-eight".