50573566 has 4 divisors (see below), whose sum is σ = 75860352. Its totient is φ = 25286782.

The previous prime is 50573563. The next prime is 50573581. The reversal of 50573566 is 66537505.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50573563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12643390 + ... + 12643393.

It is an arithmetic number, because the mean of its divisors is an integer number (18965088).

Almost surely, 2^50573566 is an apocalyptic number.

50573566 is a deficient number, since it is larger than the sum of its proper divisors (25286786).

50573566 is a wasteful number, since it uses less digits than its factorization.

50573566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25286785.

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 50573566 is about 7111.5094037764. The cubic root of 50573566 is about 369.8064875603.

The spelling of 50573566 in words is "fifty million, five hundred seventy-three thousand, five hundred sixty-six".