50505616 has 20 divisors (see below), whose sum is σ = 111834112. Its totient is φ = 21645216.

The previous prime is 50505599. The next prime is 50505619. The reversal of 50505616 is 61650505.

It is a Harshad number since it is a multiple of its sum of digits (28).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505619) 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, 225360 + ... + 225583.

Almost surely, 2^50505616 is an apocalyptic number.

50505616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

50505616 is an abundant number, since it is smaller than the sum of its proper divisors (61328496).

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

50505616 is a wasteful number, since it uses less digits than its factorization.

50505616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450958 (or 450952 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 50505616 is about 7106.7303311720. The cubic root of 50505616 is about 369.6407908978.

The spelling of 50505616 in words is "fifty million, five hundred five thousand, six hundred sixteen".