50851572 has 12 divisors (see below), whose sum is σ = 118653696. Its totient is φ = 16950520.

The previous prime is 50851561. The next prime is 50851583. The reversal of 50851572 is 27515805.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50851561) and next prime (50851583).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2118804 + ... + 2118827.

It is an arithmetic number, because the mean of its divisors is an integer number (9887808).

Almost surely, 2^50851572 is an apocalyptic number.

It is an amenable number.

50851572 is an abundant number, since it is smaller than the sum of its proper divisors (67802124).

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

50851572 is a wasteful number, since it uses less digits than its factorization.

50851572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237638 (or 4237636 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 50851572 is about 7131.0288177794. The cubic root of 50851572 is about 370.4828660342.

The spelling of 50851572 in words is "fifty million, eight hundred fifty-one thousand, five hundred seventy-two".