82533657554 has 4 divisors (see below), whose sum is σ = 123800486334. Its totient is φ = 41266828776.

The previous prime is 82533657523. The next prime is 82533657559. The reversal of 82533657554 is 45575633528.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81040994329 + 1492663225 = 284677^2 + 38635^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 82533657496 and 82533657505.

It is not an unprimeable number, because it can be changed into a prime (82533657559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20633414387 + ... + 20633414390.

Almost surely, 2^82533657554 is an apocalyptic number.

82533657554 is a deficient number, since it is larger than the sum of its proper divisors (41266828780).

82533657554 is a wasteful number, since it uses less digits than its factorization.

82533657554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41266828779.

The product of its digits is 15120000, while the sum is 53.

The spelling of 82533657554 in words is "eighty-two billion, five hundred thirty-three million, six hundred fifty-seven thousand, five hundred fifty-four".