53274643 has 4 divisors (see below), whose sum is σ = 53472960. Its totient is φ = 53076328.

The previous prime is 53274623. The next prime is 53274659. The reversal of 53274643 is 34647235.

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-53274643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53274599 and 53274608.

It is not an unprimeable number, because it can be changed into a prime (53274623) 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, 98755 + ... + 99292.

It is an arithmetic number, because the mean of its divisors is an integer number (13368240).

Almost surely, 2^53274643 is an apocalyptic number.

53274643 is a deficient number, since it is larger than the sum of its proper divisors (198317).

53274643 is a wasteful number, since it uses less digits than its factorization.

53274643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198316.

The product of its digits is 60480, while the sum is 34.

The square root of 53274643 is about 7298.9480748941. The cubic root of 53274643 is about 376.2762865782.

The spelling of 53274643 in words is "fifty-three million, two hundred seventy-four thousand, six hundred forty-three".