53279871 has 4 divisors (see below), whose sum is σ = 71039832. Its totient is φ = 35519912.

The previous prime is 53279861. The next prime is 53279879. The reversal of 53279871 is 17897235.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53279871 - 2²² = 49085567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53279879) 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, 8879976 + ... + 8879981.

It is an arithmetic number, because the mean of its divisors is an integer number (17759958).

Almost surely, 2^53279871 is an apocalyptic number.

53279871 is a deficient number, since it is larger than the sum of its proper divisors (17759961).

53279871 is a wasteful number, since it uses less digits than its factorization.

53279871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17759960.

The product of its digits is 105840, while the sum is 42.

The square root of 53279871 is about 7299.3061999069. The cubic root of 53279871 is about 376.2885945480.

The spelling of 53279871 in words is "fifty-three million, two hundred seventy-nine thousand, eight hundred seventy-one".