50642437 has 4 divisors (see below), whose sum is σ = 52276096. Its totient is φ = 49008780.

The previous prime is 50642411. The next prime is 50642441. The reversal of 50642437 is 73424605.

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 a de Polignac number, because none of the positive numbers 2^k-50642437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1633627 = 50642437 / (5 + 0 + 6 + 4 + 2 + 4 + 3 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50642399 and 50642408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50642407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816783 + ... + 816844.

It is an arithmetic number, because the mean of its divisors is an integer number (13069024).

Almost surely, 2^50642437 is an apocalyptic number.

It is an amenable number.

50642437 is a deficient number, since it is larger than the sum of its proper divisors (1633659).

50642437 is a wasteful number, since it uses less digits than its factorization.

50642437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633658.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 50642437 is about 7116.3499773409. The cubic root of 50642437 is about 369.9742787087.

The spelling of 50642437 in words is "fifty million, six hundred forty-two thousand, four hundred thirty-seven".