50512616 has 64 divisors (see below), whose sum is σ = 120890880. Its totient is φ = 19212480.

The previous prime is 50512603. The next prime is 50512619. The reversal of 50512616 is 61621505.

It is not an unprimeable number, because it can be changed into a prime (50512619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25535 + ... + 27441.

It is an arithmetic number, because the mean of its divisors is an integer number (1888920).

Almost surely, 2^50512616 is an apocalyptic number.

50512616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50512616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60445440).

50512616 is an abundant number, since it is smaller than the sum of its proper divisors (70378264).

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

50512616 is a wasteful number, since it uses less digits than its factorization.

50512616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974 (or 1970 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 50512616 is about 7107.2228050062. Note that the first 3 decimals coincide. The cubic root of 50512616 is about 369.6578673223.

Subtracting 50512616 from its reverse (61621505), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 5051 and 2616, that added together give a palindrome (7667).

The spelling of 50512616 in words is "fifty million, five hundred twelve thousand, six hundred sixteen".