82520553502 has 16 divisors (see below), whose sum is σ = 131114179872. Its totient is φ = 38817757440.

The previous prime is 82520553463. The next prime is 82520553503. The reversal of 82520553502 is 20535502528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82520553503) 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, 395658 + ... + 567085.

It is an arithmetic number, because the mean of its divisors is an integer number (8194636242).

Almost surely, 2^82520553502 is an apocalyptic number.

82520553502 is a deficient number, since it is larger than the sum of its proper divisors (48593626370).

82520553502 is a wasteful number, since it uses less digits than its factorization.

82520553502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965283.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 82520553502 in words is "eighty-two billion, five hundred twenty million, five hundred fifty-three thousand, five hundred two".