80055428 has 24 divisors (see below), whose sum is σ = 146384280. Its totient is φ = 38259200.

The previous prime is 80055427. The next prime is 80055449. The reversal of 80055428 is 82455008.

It can be written as a sum of positive squares in 4 ways, for example, as 17455684 + 62599744 = 4178^2 + 7912^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80055394 and 80055403.

It is not an unprimeable number, because it can be changed into a prime (80055427) 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, 8300 + ... + 15132.

It is an arithmetic number, because the mean of its divisors is an integer number (6099345).

Almost surely, 2^80055428 is an apocalyptic number.

It is an amenable number.

80055428 is a deficient number, since it is larger than the sum of its proper divisors (66328852).

80055428 is a wasteful number, since it uses less digits than its factorization.

80055428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6967 (or 6965 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 80055428 is about 8947.3698928791. The cubic root of 80055428 is about 430.9864283709.

The spelling of 80055428 in words is "eighty million, fifty-five thousand, four hundred twenty-eight".