79554543 has 8 divisors (see below), whose sum is σ = 112312368. Its totient is φ = 49916544.

The previous prime is 79554529. The next prime is 79554547. The reversal of 79554543 is 34545597.

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

It is not a de Polignac number, because 79554543 - 2²⁵ = 46000111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79554495 and 79554504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79554547) 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, 779896 + ... + 779997.

It is an arithmetic number, because the mean of its divisors is an integer number (14039046).

Almost surely, 2^79554543 is an apocalyptic number.

79554543 is a deficient number, since it is larger than the sum of its proper divisors (32757825).

79554543 is a wasteful number, since it uses less digits than its factorization.

79554543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559913.

The product of its digits is 378000, while the sum is 42.

The square root of 79554543 is about 8919.3353451925. The cubic root of 79554543 is about 430.0856923142.

The spelling of 79554543 in words is "seventy-nine million, five hundred fifty-four thousand, five hundred forty-three".