53274047 has 4 divisors (see below), whose sum is σ = 54573456. Its totient is φ = 51974640.

The previous prime is 53274041. The next prime is 53274061. The reversal of 53274047 is 74047235.

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 53274047 - 2¹⁰ = 53273023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53274041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649643 + ... + 649724.

It is an arithmetic number, because the mean of its divisors is an integer number (13643364).

Almost surely, 2^53274047 is an apocalyptic number.

53274047 is a deficient number, since it is larger than the sum of its proper divisors (1299409).

53274047 is a wasteful number, since it uses less digits than its factorization.

53274047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299408.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 53274047 is about 7298.9072469788. The cubic root of 53274047 is about 376.2748833997.

The spelling of 53274047 in words is "fifty-three million, two hundred seventy-four thousand, forty-seven".