82475553 has 16 divisors (see below), whose sum is σ = 115349760. Its totient is φ = 52356096.

The previous prime is 82475537. The next prime is 82475557. The reversal of 82475553 is 35557428.

It is not a de Polignac number, because 82475553 - 2⁴ = 82475537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82475557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2688 + ... + 13121.

It is an arithmetic number, because the mean of its divisors is an integer number (7209360).

Almost surely, 2^82475553 is an apocalyptic number.

It is an amenable number.

82475553 is a deficient number, since it is larger than the sum of its proper divisors (32874207).

82475553 is a wasteful number, since it uses less digits than its factorization.

82475553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15896.

The product of its digits is 168000, while the sum is 39.

The square root of 82475553 is about 9081.6051995228. The cubic root of 82475553 is about 435.2863803209.

It can be divided in two parts, 82475 and 553, that added together give a triangular number (83028 = T₄₀₇).

The spelling of 82475553 in words is "eighty-two million, four hundred seventy-five thousand, five hundred fifty-three".