50213861 has 4 divisors (see below), whose sum is σ = 50399424. Its totient is φ = 50028300.

The previous prime is 50213837. The next prime is 50213879. The reversal of 50213861 is 16831205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50213861 - 2¹⁰ = 50212837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50213861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50213881) 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 in 3 ways as a sum of consecutive naturals, for example, 92375 + ... + 92916.

It is an arithmetic number, because the mean of its divisors is an integer number (12599856).

Almost surely, 2^50213861 is an apocalyptic number.

It is an amenable number.

50213861 is a deficient number, since it is larger than the sum of its proper divisors (185563).

50213861 is a wasteful number, since it uses less digits than its factorization.

50213861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185562.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 50213861 is about 7086.1739323841. The cubic root of 50213861 is about 368.9276498795.

The spelling of 50213861 in words is "fifty million, two hundred thirteen thousand, eight hundred sixty-one".