53079971 has 4 divisors (see below), whose sum is σ = 60662832. Its totient is φ = 45497112.

The previous prime is 53079959. The next prime is 53079989. The reversal of 53079971 is 17997035.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53079971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53079991) 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, 3791420 + ... + 3791433.

It is an arithmetic number, because the mean of its divisors is an integer number (15165708).

Almost surely, 2^53079971 is an apocalyptic number.

53079971 is a deficient number, since it is larger than the sum of its proper divisors (7582861).

53079971 is an equidigital number, since it uses as much as digits as its factorization.

53079971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7582860.

The product of its (nonzero) digits is 59535, while the sum is 41.

The square root of 53079971 is about 7285.6002498078. The cubic root of 53079971 is about 375.8174074773.

The spelling of 53079971 in words is "fifty-three million, seventy-nine thousand, nine hundred seventy-one".