80685552 has 40 divisors (see below), whose sum is σ = 219410560. Its totient is φ = 25479360.

The previous prime is 80685547. The next prime is 80685559. The reversal of 80685552 is 25558608.

It is a super-4 number, since 4×80685552⁴ (a number of 33 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80685552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80685559) 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, 43324 + ... + 45147.

It is an arithmetic number, because the mean of its divisors is an integer number (5485264).

Almost surely, 2^80685552 is an apocalyptic number.

It is an amenable number.

80685552 is an abundant number, since it is smaller than the sum of its proper divisors (138725008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80685552 is a wasteful number, since it uses less digits than its factorization.

80685552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88501 (or 88495 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 80685552 is about 8982.5136793661. The cubic root of 80685552 is about 432.1142530450.

The spelling of 80685552 in words is "eighty million, six hundred eighty-five thousand, five hundred fifty-two".