68260553 has 8 divisors (see below), whose sum is σ = 68764800. Its totient is φ = 67758768.

The previous prime is 68260513. The next prime is 68260583. The reversal of 68260553 is 35506286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68260553 - 2¹² = 68256457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68260513) 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, 147200 + ... + 147662.

It is an arithmetic number, because the mean of its divisors is an integer number (8595600).

Almost surely, 2^68260553 is an apocalyptic number.

It is an amenable number.

68260553 is a deficient number, since it is larger than the sum of its proper divisors (504247).

68260553 is a wasteful number, since it uses less digits than its factorization.

68260553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 68260553 is about 8261.9944928570. The cubic root of 68260553 is about 408.6861631612.

The spelling of 68260553 in words is "sixty-eight million, two hundred sixty thousand, five hundred fifty-three".