82357553 has 4 divisors (see below), whose sum is σ = 82850880. Its totient is φ = 81864228.

The previous prime is 82357547. The next prime is 82357567. The reversal of 82357553 is 35575328.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82357553 - 2²² = 78163249 is a prime.

It is a super-2 number, since 2×82357553² = 13565533072295618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82357573) 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 3 ways as a sum of consecutive naturals, for example, 246413 + ... + 246746.

It is an arithmetic number, because the mean of its divisors is an integer number (20712720).

Almost surely, 2^82357553 is an apocalyptic number.

It is an amenable number.

82357553 is a deficient number, since it is larger than the sum of its proper divisors (493327).

82357553 is a wasteful number, since it uses less digits than its factorization.

82357553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493326.

The product of its digits is 126000, while the sum is 38.

The square root of 82357553 is about 9075.1062252736. The cubic root of 82357553 is about 435.0786892482.

The spelling of 82357553 in words is "eighty-two million, three hundred fifty-seven thousand, five hundred fifty-three".