80550438 has 16 divisors (see below), whose sum is σ = 164847936. Its totient is φ = 26225640.

The previous prime is 80550401. The next prime is 80550451. The reversal of 80550438 is 83405508.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80550399 and 80550408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155848 + ... + 156363.

It is an arithmetic number, because the mean of its divisors is an integer number (10302996).

Almost surely, 2^80550438 is an apocalyptic number.

80550438 is an abundant number, since it is smaller than the sum of its proper divisors (84297498).

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

80550438 is a wasteful number, since it uses less digits than its factorization.

80550438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312259.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 80550438 is about 8974.9895821667. The cubic root of 80550438 is about 431.8729157220.

The spelling of 80550438 in words is "eighty million, five hundred fifty thousand, four hundred thirty-eight".