82557545 has 24 divisors (see below), whose sum is σ = 116432064. Its totient is φ = 55048896.

The previous prime is 82557509. The next prime is 82557551. The reversal of 82557545 is 54575528.

It is not a de Polignac number, because 82557545 - 2⁶ = 82557481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47054 + ... + 48776.

It is an arithmetic number, because the mean of its divisors is an integer number (4851336).

Almost surely, 2^82557545 is an apocalyptic number.

It is an amenable number.

82557545 is a deficient number, since it is larger than the sum of its proper divisors (33874519).

82557545 is a wasteful number, since it uses less digits than its factorization.

82557545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809 (or 1772 counting only the distinct ones).

The product of its digits is 280000, while the sum is 41.

The square root of 82557545 is about 9086.1182580902. The cubic root of 82557545 is about 435.4305773150.

The spelling of 82557545 in words is "eighty-two million, five hundred fifty-seven thousand, five hundred forty-five".