53074447 has 4 divisors (see below), whose sum is σ = 53139760. Its totient is φ = 53009136.

The previous prime is 53074393. The next prime is 53074451. The reversal of 53074447 is 74447035.

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 53074447 - 2⁷ = 53074319 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 (53074457) 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, 31422 + ... + 33067.

It is an arithmetic number, because the mean of its divisors is an integer number (13284940).

Almost surely, 2^53074447 is an apocalyptic number.

53074447 is a deficient number, since it is larger than the sum of its proper divisors (65313).

53074447 is an equidigital number, since it uses as much as digits as its factorization.

53074447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65312.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 53074447 is about 7285.2211359711. The cubic root of 53074447 is about 375.8043699961.

The spelling of 53074447 in words is "fifty-three million, seventy-four thousand, four hundred forty-seven".