80790553 has 4 divisors (see below), whose sum is σ = 81371920. Its totient is φ = 80209188.

The previous prime is 80790547. The next prime is 80790569. The reversal of 80790553 is 35509708.

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 a cyclic number.

It is not a de Polignac number, because 80790553 - 2²⁵ = 47236121 is a prime.

It is a super-2 number, since 2×80790553² = 13054226908091618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80790503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290475 + ... + 290752.

It is an arithmetic number, because the mean of its divisors is an integer number (20342980).

Almost surely, 2^80790553 is an apocalyptic number.

It is an amenable number.

80790553 is a deficient number, since it is larger than the sum of its proper divisors (581367).

80790553 is a wasteful number, since it uses less digits than its factorization.

80790553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581366.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 80790553 is about 8988.3565238591. The cubic root of 80790553 is about 432.3016172832.

The spelling of 80790553 in words is "eighty million, seven hundred ninety thousand, five hundred fifty-three".