82053574 has 4 divisors (see below), whose sum is σ = 123080364. Its totient is φ = 41026786.

The previous prime is 82053539. The next prime is 82053583. The reversal of 82053574 is 47535028.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×82053574³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20513392 + ... + 20513395.

It is an arithmetic number, because the mean of its divisors is an integer number (30770091).

Almost surely, 2^82053574 is an apocalyptic number.

82053574 is a deficient number, since it is larger than the sum of its proper divisors (41026790).

82053574 is a wasteful number, since it uses less digits than its factorization.

82053574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41026789.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 82053574 is about 9058.3427844170. The cubic root of 82053574 is about 434.5427423089.

The spelling of 82053574 in words is "eighty-two million, fifty-three thousand, five hundred seventy-four".