79500053 has 8 divisors (see below), whose sum is σ = 81175608. Its totient is φ = 77831104.

The previous prime is 79500023. The next prime is 79500073. The reversal of 79500053 is 35000597.

It can be written as a sum of positive squares in 4 ways, for example, as 3775249 + 75724804 = 1943^2 + 8702^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 79500053 - 2¹⁰ = 79499029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79499989 and 79500025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79500023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28175 + ... + 30867.

It is an arithmetic number, because the mean of its divisors is an integer number (10146951).

Almost surely, 2^79500053 is an apocalyptic number.

It is an amenable number.

79500053 is a deficient number, since it is larger than the sum of its proper divisors (1675555).

79500053 is a wasteful number, since it uses less digits than its factorization.

79500053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303.

The product of its (nonzero) digits is 4725, while the sum is 29.

The square root of 79500053 is about 8916.2802221554. The cubic root of 79500053 is about 429.9874757484.

The spelling of 79500053 in words is "seventy-nine million, five hundred thousand, fifty-three".