50517216 has 96 divisors (see below), whose sum is σ = 149990400. Its totient is φ = 16536960.

The previous prime is 50517193. The next prime is 50517239. The reversal of 50517216 is 61271505.

It is an interprime number because it is at equal distance from previous prime (50517193) and next prime (50517239).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×50517216² = 5103978224781312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 50517216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50481 + ... + 51471.

It is an arithmetic number, because the mean of its divisors is an integer number (1562400).

Almost surely, 2^50517216 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 50517216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74995200).

50517216 is an abundant number, since it is smaller than the sum of its proper divisors (99473184).

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

50517216 is a wasteful number, since it uses less digits than its factorization.

50517216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 50517216 is about 7107.5464120891. The cubic root of 50517216 is about 369.6690881136.

The spelling of 50517216 in words is "fifty million, five hundred seventeen thousand, two hundred sixteen".