50145216 has 56 divisors (see below), whose sum is σ = 144743424. Its totient is φ = 15194880.

The previous prime is 50145209. The next prime is 50145253. The reversal of 50145216 is 61254105.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9760 + ... + 13983.

It is an arithmetic number, because the mean of its divisors is an integer number (2584704).

Almost surely, 2^50145216 is an apocalyptic number.

It is an amenable number.

50145216 is an abundant number, since it is smaller than the sum of its proper divisors (94598208).

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

50145216 is a wasteful number, since it uses less digits than its factorization.

50145216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23769 (or 23759 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 50145216 is about 7081.3286888832. The cubic root of 50145216 is about 368.7594586868.

Subtracting 50145216 from its reverse (61254105), we obtain a square (11108889 = 3333²).

The spelling of 50145216 in words is "fifty million, one hundred forty-five thousand, two hundred sixteen".