50765616 has 120 divisors (see below), whose sum is σ = 160864704. Its totient is φ = 15370560.

The previous prime is 50765567. The next prime is 50765633. The reversal of 50765616 is 61656705.

50765616 = 1244² + 1245² + ... + 1275².

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42175 + ... + 43361.

Almost surely, 2^50765616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50765616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80432352).

50765616 is an abundant number, since it is smaller than the sum of its proper divisors (110099088).

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

50765616 is a wasteful number, since it uses less digits than its factorization.

50765616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 50765616 is about 7124.9993684210. Note that the first 3 decimals coincide. The cubic root of 50765616 is about 370.2740020546.

The spelling of 50765616 in words is "fifty million, seven hundred sixty-five thousand, six hundred sixteen".