53312771 has 4 divisors (see below), whose sum is σ = 54108552. Its totient is φ = 52516992.

The previous prime is 53312717. The next prime is 53312773. The reversal of 53312771 is 17721335.

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 53312771 - 2²² = 49118467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53312773) 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, 397790 + ... + 397923.

It is an arithmetic number, because the mean of its divisors is an integer number (13527138).

Almost surely, 2^53312771 is an apocalyptic number.

53312771 is a deficient number, since it is larger than the sum of its proper divisors (795781).

53312771 is an equidigital number, since it uses as much as digits as its factorization.

53312771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795780.

The product of its digits is 4410, while the sum is 29.

The square root of 53312771 is about 7301.5594909581. The cubic root of 53312771 is about 376.3660305930.

The spelling of 53312771 in words is "fifty-three million, three hundred twelve thousand, seven hundred seventy-one".