73055543 has 8 divisors (see below), whose sum is σ = 79902480. Its totient is φ = 66242880.

The previous prime is 73055537. The next prime is 73055569. The reversal of 73055543 is 34555037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73055543 - 2¹⁶ = 72990007 is a prime.

It is a super-2 number, since 2×73055543² = 10674224726049698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73055533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3998 + ... + 12731.

It is an arithmetic number, because the mean of its divisors is an integer number (9987810).

Almost surely, 2^73055543 is an apocalyptic number.

73055543 is a deficient number, since it is larger than the sum of its proper divisors (6846937).

73055543 is a wasteful number, since it uses less digits than its factorization.

73055543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17137.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 73055543 is about 8547.2535354931. The cubic root of 73055543 is about 418.0398895870.

The spelling of 73055543 in words is "seventy-three million, fifty-five thousand, five hundred forty-three".