83545537546 has 4 divisors (see below), whose sum is σ = 125318306322. Its totient is φ = 41772768772.

The previous prime is 83545537451. The next prime is 83545537549. The reversal of 83545537546 is 64573554538.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64573554538 = 2 ⋅32286777269.

It can be written as a sum of positive squares in only one way, i.e., 56710183321 + 26835354225 = 238139^2 + 163815^2 .

It is not an unprimeable number, because it can be changed into a prime (83545537549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20886384385 + ... + 20886384388.

Almost surely, 2^83545537546 is an apocalyptic number.

83545537546 is a deficient number, since it is larger than the sum of its proper divisors (41772768776).

83545537546 is a wasteful number, since it uses less digits than its factorization.

83545537546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41772768775.

The product of its digits is 30240000, while the sum is 55.

The spelling of 83545537546 in words is "eighty-three billion, five hundred forty-five million, five hundred thirty-seven thousand, five hundred forty-six".