52647422 has 4 divisors (see below), whose sum is σ = 78971136. Its totient is φ = 26323710.

The previous prime is 52647409. The next prime is 52647457. The reversal of 52647422 is 22474625.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13161854 + ... + 13161857.

It is an arithmetic number, because the mean of its divisors is an integer number (19742784).

Almost surely, 2^52647422 is an apocalyptic number.

52647422 is a deficient number, since it is larger than the sum of its proper divisors (26323714).

52647422 is a wasteful number, since it uses less digits than its factorization.

52647422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26323713.

The product of its digits is 26880, while the sum is 32.

The square root of 52647422 is about 7255.8543259908. The cubic root of 52647422 is about 374.7937757968.

The spelling of 52647422 in words is "fifty-two million, six hundred forty-seven thousand, four hundred twenty-two".