82053550 has 24 divisors (see below), whose sum is σ = 154342800. Its totient is φ = 32450880.

The previous prime is 82053539. The next prime is 82053583. The reversal of 82053550 is 5535028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4770 + ... + 13669.

It is an arithmetic number, because the mean of its divisors is an integer number (6430950).

Almost surely, 2^82053550 is an apocalyptic number.

82053550 is a deficient number, since it is larger than the sum of its proper divisors (72289250).

82053550 is a wasteful number, since it uses less digits than its factorization.

82053550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18540 (or 18535 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 82053550 is about 9058.3414596713. The cubic root of 82053550 is about 434.5426999422.

Adding to 82053550 its reverse (5535028), we get a palindrome (87588578).

The spelling of 82053550 in words is "eighty-two million, fifty-three thousand, five hundred fifty".