53552447 has 4 divisors (see below), whose sum is σ = 57671880. Its totient is φ = 49433016.

The previous prime is 53552383. The next prime is 53552453. The reversal of 53552447 is 74425535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74425535 = 5 ⋅14885107.

It is a cyclic number.

It is not a de Polignac number, because 53552447 - 2⁶ = 53552383 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 (53552467) 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, 2059697 + ... + 2059722.

It is an arithmetic number, because the mean of its divisors is an integer number (14417970).

Almost surely, 2^53552447 is an apocalyptic number.

53552447 is a deficient number, since it is larger than the sum of its proper divisors (4119433).

53552447 is a wasteful number, since it uses less digits than its factorization.

53552447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119432.

The product of its digits is 84000, while the sum is 35.

The square root of 53552447 is about 7317.9537440462. The cubic root of 53552447 is about 376.9291918603.

The spelling of 53552447 in words is "fifty-three million, five hundred fifty-two thousand, four hundred forty-seven".