79551053 has 4 divisors (see below), whose sum is σ = 82117248. Its totient is φ = 76984860.

The previous prime is 79551047. The next prime is 79551061. The reversal of 79551053 is 35015597.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35015597 = 17 ⋅2059741.

It is a cyclic number.

It is not a de Polignac number, because 79551053 - 2⁴ = 79551037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79551083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283051 + ... + 1283112.

It is an arithmetic number, because the mean of its divisors is an integer number (20529312).

Almost surely, 2^79551053 is an apocalyptic number.

It is an amenable number.

79551053 is a deficient number, since it is larger than the sum of its proper divisors (2566195).

79551053 is a wasteful number, since it uses less digits than its factorization.

79551053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566194.

The product of its (nonzero) digits is 23625, while the sum is 35.

The square root of 79551053 is about 8919.1397006662. The cubic root of 79551053 is about 430.0794030399.

The spelling of 79551053 in words is "seventy-nine million, five hundred fifty-one thousand, fifty-three".