80630553 has 4 divisors (see below), whose sum is σ = 107507408. Its totient is φ = 53753700.

The previous prime is 80630531. The next prime is 80630567. The reversal of 80630553 is 35503608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 80630553 - 2⁶ = 80630489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80630553.

It is not an unprimeable number, because it can be changed into a prime (80630573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13438423 + ... + 13438428.

It is an arithmetic number, because the mean of its divisors is an integer number (26876852).

Almost surely, 2^80630553 is an apocalyptic number.

It is an amenable number.

80630553 is a deficient number, since it is larger than the sum of its proper divisors (26876855).

80630553 is a wasteful number, since it uses less digits than its factorization.

80630553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26876854.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 80630553 is about 8979.4517093195. The cubic root of 80630553 is about 432.0160477149.

The spelling of 80630553 in words is "eighty million, six hundred thirty thousand, five hundred fifty-three".