53797867 has 4 divisors (see below), whose sum is σ = 53933776. Its totient is φ = 53661960.

The previous prime is 53797853. The next prime is 53797879. The reversal of 53797867 is 76879735.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76879735 = 5 ⋅15375947.

It is a cyclic number.

It is not a de Polignac number, because 53797867 - 2⁷ = 53797739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53797837) 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, 67359 + ... + 68152.

It is an arithmetic number, because the mean of its divisors is an integer number (13483444).

Almost surely, 2^53797867 is an apocalyptic number.

53797867 is a deficient number, since it is larger than the sum of its proper divisors (135909).

53797867 is a wasteful number, since it uses less digits than its factorization.

53797867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135908.

The product of its digits is 2222640, while the sum is 52.

The square root of 53797867 is about 7334.7029251361. The cubic root of 53797867 is about 377.5041111784.

The spelling of 53797867 in words is "fifty-three million, seven hundred ninety-seven thousand, eight hundred sixty-seven".