53797979 has 8 divisors (see below), whose sum is σ = 57033360. Its totient is φ = 50570496.

The previous prime is 53797967. The next prime is 53797981. The reversal of 53797979 is 97979735.

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 53797979 - 2¹⁶ = 53732443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53797999) 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, 17792 + ... + 20594.

It is an arithmetic number, because the mean of its divisors is an integer number (7129170).

Almost surely, 2^53797979 is an apocalyptic number.

53797979 is a deficient number, since it is larger than the sum of its proper divisors (3235381).

53797979 is a wasteful number, since it uses less digits than its factorization.

53797979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949.

The product of its digits is 3750705, while the sum is 56.

The square root of 53797979 is about 7334.7105600698. The cubic root of 53797979 is about 377.5043731493.

The spelling of 53797979 in words is "fifty-three million, seven hundred ninety-seven thousand, nine hundred seventy-nine".