50642549 has 4 divisors (see below), whose sum is σ = 50672736. Its totient is φ = 50612364.

The previous prime is 50642539. The next prime is 50642563. The reversal of 50642549 is 94524605.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50642549 - 2¹² = 50638453 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 (50642539) 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, 12419 + ... + 15984.

It is an arithmetic number, because the mean of its divisors is an integer number (12668184).

Almost surely, 2^50642549 is an apocalyptic number.

It is an amenable number.

50642549 is a deficient number, since it is larger than the sum of its proper divisors (30187).

50642549 is a wasteful number, since it uses less digits than its factorization.

50642549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30186.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 50642549 is about 7116.3578465392. The cubic root of 50642549 is about 369.9745514515.

The spelling of 50642549 in words is "fifty million, six hundred forty-two thousand, five hundred forty-nine".