80009554 has 4 divisors (see below), whose sum is σ = 120014334. Its totient is φ = 40004776.

The previous prime is 80009539. The next prime is 80009561. The reversal of 80009554 is 45590008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 73874025 + 6135529 = 8595^2 + 2477^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20002387 + ... + 20002390.

Almost surely, 2^80009554 is an apocalyptic number.

80009554 is a deficient number, since it is larger than the sum of its proper divisors (40004780).

80009554 is a wasteful number, since it uses less digits than its factorization.

80009554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40004779.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 80009554 is about 8944.8059788908. The cubic root of 80009554 is about 430.9040902145.

The spelling of 80009554 in words is "eighty million, nine thousand, five hundred fifty-four".