83563544 has 8 divisors (see below), whose sum is σ = 156681660. Its totient is φ = 41781768.

The previous prime is 83563541. The next prime is 83563567. The reversal of 83563544 is 44536538.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 83563498 and 83563507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83563541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5222714 + ... + 5222729.

Almost surely, 2^83563544 is an apocalyptic number.

It is an amenable number.

83563544 is a deficient number, since it is larger than the sum of its proper divisors (73118116).

83563544 is a wasteful number, since it uses less digits than its factorization.

83563544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10445449 (or 10445445 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 83563544 is about 9141.3097529840. The cubic root of 83563544 is about 437.1920776411.

The spelling of 83563544 in words is "eighty-three million, five hundred sixty-three thousand, five hundred forty-four".