53630771 has 4 divisors (see below), whose sum is σ = 53692392. Its totient is φ = 53569152.

The previous prime is 53630741. The next prime is 53630783. The reversal of 53630771 is 17703635.

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-53630771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53630741) 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, 29486 + ... + 31251.

It is an arithmetic number, because the mean of its divisors is an integer number (13423098).

Almost surely, 2^53630771 is an apocalyptic number.

53630771 is a deficient number, since it is larger than the sum of its proper divisors (61621).

53630771 is an equidigital number, since it uses as much as digits as its factorization.

53630771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61620.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 53630771 is about 7323.3032847206. The cubic root of 53630771 is about 377.1128636465.

The spelling of 53630771 in words is "fifty-three million, six hundred thirty thousand, seven hundred seventy-one".