53822971 has 4 divisors (see below), whose sum is σ = 55074712. Its totient is φ = 52571232.

The previous prime is 53822963. The next prime is 53822983. The reversal of 53822971 is 17922835.

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 53822971 - 2³ = 53822963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53822971.

It is not an unprimeable number, because it can be changed into a prime (53822911) 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, 625806 + ... + 625891.

It is an arithmetic number, because the mean of its divisors is an integer number (13768678).

Almost surely, 2^53822971 is an apocalyptic number.

53822971 is a deficient number, since it is larger than the sum of its proper divisors (1251741).

53822971 is a wasteful number, since it uses less digits than its factorization.

53822971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251740.

The product of its digits is 30240, while the sum is 37.

The square root of 53822971 is about 7336.4140422961. The cubic root of 53822971 is about 377.5628209999.

The spelling of 53822971 in words is "fifty-three million, eight hundred twenty-two thousand, nine hundred seventy-one".