50561436 has 24 divisors (see below), whose sum is σ = 119912464. Its totient is φ = 16577280.

The previous prime is 50561431. The next prime is 50561437. The reversal of 50561436 is 63416505.

It is an alternating number because its digits alternate between odd and even.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50561431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33805 + ... + 35268.

Almost surely, 2^50561436 is an apocalyptic number.

It is an amenable number.

50561436 is an abundant number, since it is smaller than the sum of its proper divisors (69351028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50561436 is a wasteful number, since it uses less digits than its factorization.

50561436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69141 (or 69139 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 50561436 is about 7110.6565097746. The cubic root of 50561436 is about 369.7769193376.

The spelling of 50561436 in words is "fifty million, five hundred sixty-one thousand, four hundred thirty-six".