68553892 has 24 divisors (see below), whose sum is σ = 136567872. Its totient is φ = 29805600.

The previous prime is 68553839. The next prime is 68553913. The reversal of 68553892 is 29835586.

It is a super-2 number, since 2×68553892² = 9399272216695328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32859 + ... + 34882.

It is an arithmetic number, because the mean of its divisors is an integer number (5690328).

Almost surely, 2^68553892 is an apocalyptic number.

It is an amenable number.

68553892 is a deficient number, since it is larger than the sum of its proper divisors (68013980).

68553892 is a wasteful number, since it uses less digits than its factorization.

68553892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67779 (or 67777 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 68553892 is about 8279.7277733027. The cubic root of 68553892 is about 409.2707480935.

The spelling of 68553892 in words is "sixty-eight million, five hundred fifty-three thousand, eight hundred ninety-two".