80557503 has 8 divisors (see below), whose sum is σ = 115672368. Its totient is φ = 49573824.

The previous prime is 80557501. The next prime is 80557531. The reversal of 80557503 is 30575508.

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

It is not a de Polignac number, because 80557503 - 2¹ = 80557501 is a prime.

It is a super-2 number, since 2×80557503² = 12979022579190018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80557501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032750 + ... + 1032827.

It is an arithmetic number, because the mean of its divisors is an integer number (14459046).

Almost surely, 2^80557503 is an apocalyptic number.

80557503 is a deficient number, since it is larger than the sum of its proper divisors (35114865).

80557503 is a wasteful number, since it uses less digits than its factorization.

80557503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065593.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 80557503 is about 8975.3831673082. The cubic root of 80557503 is about 431.8855417363.

The spelling of 80557503 in words is "eighty million, five hundred fifty-seven thousand, five hundred three".