80526057 has 8 divisors (see below), whose sum is σ = 109865184. Its totient is φ = 52435488.

The previous prime is 80526049. The next prime is 80526073. The reversal of 80526057 is 75062508.

It is a happy number.

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

It is not a de Polignac number, because 80526057 - 2³ = 80526049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80526037) 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, 311988 + ... + 312245.

It is an arithmetic number, because the mean of its divisors is an integer number (13733148).

Almost surely, 2^80526057 is an apocalyptic number.

It is an amenable number.

80526057 is a deficient number, since it is larger than the sum of its proper divisors (29339127).

80526057 is a wasteful number, since it uses less digits than its factorization.

80526057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624279.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 80526057 is about 8973.6312048134. The cubic root of 80526057 is about 431.8293382387.

It can be divided in two parts, 805 and 26057, that added together give a palindrome (26862).

The spelling of 80526057 in words is "eighty million, five hundred twenty-six thousand, fifty-seven".