82557542 has 8 divisors (see below), whose sum is σ = 131120856. Its totient is φ = 38850592.

The previous prime is 82557509. The next prime is 82557551. The reversal of 82557542 is 24575528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 82557496 and 82557505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214048 + ... + 1214115.

It is an arithmetic number, because the mean of its divisors is an integer number (16390107).

Almost surely, 2^82557542 is an apocalyptic number.

82557542 is a deficient number, since it is larger than the sum of its proper divisors (48563314).

82557542 is a wasteful number, since it uses less digits than its factorization.

82557542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428182.

The product of its digits is 112000, while the sum is 38.

The square root of 82557542 is about 9086.1180930032. The cubic root of 82557542 is about 435.4305720408.

The spelling of 82557542 in words is "eighty-two million, five hundred fifty-seven thousand, five hundred forty-two".