50871764 has 6 divisors (see below), whose sum is σ = 89025594. Its totient is φ = 25435880.

The previous prime is 50871739. The next prime is 50871773. The reversal of 50871764 is 46717805.

It can be written as a sum of positive squares in only one way, i.e., 50523664 + 348100 = 7108^2 + 590^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6358967 + ... + 6358974.

It is an arithmetic number, because the mean of its divisors is an integer number (14837599).

Almost surely, 2^50871764 is an apocalyptic number.

It is an amenable number.

50871764 is a deficient number, since it is larger than the sum of its proper divisors (38153830).

50871764 is a wasteful number, since it uses less digits than its factorization.

50871764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12717945 (or 12717943 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 50871764 is about 7132.4444617536. Note that the first 4 decimals coincide. The cubic root of 50871764 is about 370.5318963120.

The spelling of 50871764 in words is "fifty million, eight hundred seventy-one thousand, seven hundred sixty-four".