80554657 has 2 divisors, whose sum is σ = 80554658. Its totient is φ = 80554656.

The previous prime is 80554631. The next prime is 80554667. The reversal of 80554657 is 75645508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73205136 + 7349521 = 8556^2 + 2711^2 .

It is a cyclic number.

It is not a de Polignac number, because 80554657 - 2¹⁹ = 80030369 is a prime.

It is not a weakly prime, because it can be changed into another prime (80554667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40277328 + 40277329.

It is an arithmetic number, because the mean of its divisors is an integer number (40277329).

Almost surely, 2^80554657 is an apocalyptic number.

It is an amenable number.

80554657 is a deficient number, since it is larger than the sum of its proper divisors (1).

80554657 is an equidigital number, since it uses as much as digits as its factorization.

80554657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 80554657 is about 8975.2246211446. The cubic root of 80554657 is about 431.8804556770.

The spelling of 80554657 in words is "eighty million, five hundred fifty-four thousand, six hundred fifty-seven".