82430553 has 16 divisors (see below), whose sum is σ = 111373056. Its totient is φ = 54225360.

The previous prime is 82430549. The next prime is 82430573. The reversal of 82430553 is 35503428.

It is not a de Polignac number, because 82430553 - 2² = 82430549 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82430553.

It is not an unprimeable number, because it can be changed into a prime (82430573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157350 + ... + 157872.

It is an arithmetic number, because the mean of its divisors is an integer number (6960816).

Almost surely, 2^82430553 is an apocalyptic number.

It is an amenable number.

82430553 is a deficient number, since it is larger than the sum of its proper divisors (28942503).

82430553 is a wasteful number, since it uses less digits than its factorization.

82430553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 82430553 is about 9079.1273259053. The cubic root of 82430553 is about 435.2071994809.

The spelling of 82430553 in words is "eighty-two million, four hundred thirty thousand, five hundred fifty-three".