80953532 has 12 divisors (see below), whose sum is σ = 154547736. Its totient is φ = 36797040.

The previous prime is 80953531. The next prime is 80953553. The reversal of 80953532 is 23535908.

It is a junction number, because it is equal to n+sod(n) for n = 80953492 and 80953501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80953531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919883 + ... + 919970.

It is an arithmetic number, because the mean of its divisors is an integer number (12878978).

Almost surely, 2^80953532 is an apocalyptic number.

It is an amenable number.

80953532 is a deficient number, since it is larger than the sum of its proper divisors (73594204).

80953532 is a wasteful number, since it uses less digits than its factorization.

80953532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839868 (or 1839866 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 80953532 is about 8997.4180740921. The cubic root of 80953532 is about 432.5921164344.

The spelling of 80953532 in words is "eighty million, nine hundred fifty-three thousand, five hundred thirty-two".