68523552 has 36 divisors (see below), whose sum is σ = 194864670. Its totient is φ = 22841088.

The previous prime is 68523487. The next prime is 68523569. The reversal of 68523552 is 25532586.

It is a happy number.

68523552 is a `hidden beast` number, since 6 + 85 + 23 + 552 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41525136 + 26998416 = 6444^2 + 5196^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118677 + ... + 119252.

Almost surely, 2^68523552 is an apocalyptic number.

It is an amenable number.

68523552 is an abundant number, since it is smaller than the sum of its proper divisors (126341118).

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

68523552 is a wasteful number, since it uses less digits than its factorization.

68523552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237945 (or 237934 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 68523552 is about 8277.8953846977. The cubic root of 68523552 is about 409.2103619923.

It can be divided in two parts, 6852 and 3552, that added together give a square (10404 = 102²).

The spelling of 68523552 in words is "sixty-eight million, five hundred twenty-three thousand, five hundred fifty-two".