50215772 has 6 divisors (see below), whose sum is σ = 87877608. Its totient is φ = 25107884.

The previous prime is 50215757. The next prime is 50215777. The reversal of 50215772 is 27751205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50215777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276968 + ... + 6276975.

It is an arithmetic number, because the mean of its divisors is an integer number (14646268).

Almost surely, 2^50215772 is an apocalyptic number.

It is an amenable number.

50215772 is a deficient number, since it is larger than the sum of its proper divisors (37661836).

50215772 is a wasteful number, since it uses less digits than its factorization.

50215772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12553947 (or 12553945 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 50215772 is about 7086.3087711445. The cubic root of 50215772 is about 368.9323299405.

Adding to 50215772 its reverse (27751205), we get a palindrome (77966977).

The spelling of 50215772 in words is "fifty million, two hundred fifteen thousand, seven hundred seventy-two".