68930553 has 8 divisors (see below), whose sum is σ = 94149216. Its totient is φ = 44832800.

The previous prime is 68930539. The next prime is 68930557. The reversal of 68930553 is 35503986.

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 68930553 - 2⁶ = 68930489 is a prime.

It is a super-2 number, since 2×68930553² = 9502842273771618, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68930557) 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, 280083 + ... + 280328.

It is an arithmetic number, because the mean of its divisors is an integer number (11768652).

Almost surely, 2^68930553 is an apocalyptic number.

It is an amenable number.

68930553 is a deficient number, since it is larger than the sum of its proper divisors (25218663).

68930553 is a wasteful number, since it uses less digits than its factorization.

68930553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560455.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 68930553 is about 8302.4425923941. The cubic root of 68930553 is about 410.0189422143.

The spelling of 68930553 in words is "sixty-eight million, nine hundred thirty thousand, five hundred fifty-three".