80825553 has 32 divisors (see below), whose sum is σ = 122497920. Its totient is φ = 52660800.

The previous prime is 80825543. The next prime is 80825573. The reversal of 80825553 is 35552808.

80825553 is a `hidden beast` number, since 80 + 8 + 25 + 553 = 666.

It is not a de Polignac number, because 80825553 - 2¹² = 80821457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80825533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291651 + ... + 291927.

It is an arithmetic number, because the mean of its divisors is an integer number (3828060).

Almost surely, 2^80825553 is an apocalyptic number.

It is an amenable number.

80825553 is a deficient number, since it is larger than the sum of its proper divisors (41672367).

80825553 is a wasteful number, since it uses less digits than its factorization.

80825553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 80825553 is about 8990.3032763083. The cubic root of 80825553 is about 432.3640353573.

The spelling of 80825553 in words is "eighty million, eight hundred twenty-five thousand, five hundred fifty-three".